Home / 10,442.09-15,655.70-4,892.41

Finding the Fourth Proportional to 10,442.09, 15,655.70 and 4,892.41

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Solution

The fourth proportional to 10,442.09, 15,655.70 and 4,892.41 is: 7,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.09 : 15,655.70 = 4,892.41 : x
  2. Step 2: Convert to fraction form
    10,442.09/15,655.70 = 4,892.41/x
  3. Step 3: Cross multiply
    10,442.09x = 15,655.70 × 4,892.41
  4. Step 4: Simplify right side
    10,442.09x = 76,594,078.77
  5. Step 5: Solve for x
    x = 76,594,078.77/10,442.09
  6. Step 6: Final answer
    x = 7,335.13

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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.