Home / 10,428.41-15,642.62-2,637.22

Finding the Fourth Proportional to 10,428.41, 15,642.62 and 2,637.22

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Solution

The fourth proportional to 10,428.41, 15,642.62 and 2,637.22 is: 3,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.41 : 15,642.62 = 2,637.22 : x
  2. Step 2: Convert to fraction form
    10,428.41/15,642.62 = 2,637.22/x
  3. Step 3: Cross multiply
    10,428.41x = 15,642.62 × 2,637.22
  4. Step 4: Simplify right side
    10,428.41x = 41,253,017.13
  5. Step 5: Solve for x
    x = 41,253,017.13/10,428.41
  6. Step 6: Final answer
    x = 3,955.83

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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.