Home / 5,510.59-8,266.29-1,615.12

Finding the Fourth Proportional to 5,510.59, 8,266.29 and 1,615.12

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Solution

The fourth proportional to 5,510.59, 8,266.29 and 1,615.12 is: 2,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.59 : 8,266.29 = 1,615.12 : x
  2. Step 2: Convert to fraction form
    5,510.59/8,266.29 = 1,615.12/x
  3. Step 3: Cross multiply
    5,510.59x = 8,266.29 × 1,615.12
  4. Step 4: Simplify right side
    5,510.59x = 13,351,050.30
  5. Step 5: Solve for x
    x = 13,351,050.30/5,510.59
  6. Step 6: Final answer
    x = 2,422.80

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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.