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Finding the Fourth Proportional to 4,993.07, 7,489.61 and 1,706.19

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Solution

The fourth proportional to 4,993.07, 7,489.61 and 1,706.19 is: 2,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.07 : 7,489.61 = 1,706.19 : x
  2. Step 2: Convert to fraction form
    4,993.07/7,489.61 = 1,706.19/x
  3. Step 3: Cross multiply
    4,993.07x = 7,489.61 × 1,706.19
  4. Step 4: Simplify right side
    4,993.07x = 12,778,704.80
  5. Step 5: Solve for x
    x = 12,778,704.80/4,993.07
  6. Step 6: Final answer
    x = 2,559.29

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.