Home / 9,870.50-14,805.75-3,295.19

Finding the Fourth Proportional to 9,870.50, 14,805.75 and 3,295.19

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Solution

The fourth proportional to 9,870.50, 14,805.75 and 3,295.19 is: 4,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870.50 : 14,805.75 = 3,295.19 : x
  2. Step 2: Convert to fraction form
    9,870.50/14,805.75 = 3,295.19/x
  3. Step 3: Cross multiply
    9,870.50x = 14,805.75 × 3,295.19
  4. Step 4: Simplify right side
    9,870.50x = 48,787,759.34
  5. Step 5: Solve for x
    x = 48,787,759.34/9,870.50
  6. Step 6: Final answer
    x = 4,942.79

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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.