Home / 10,440.47-15,664.55-4,895.61

Finding the Fourth Proportional to 10,440.47, 15,664.55 and 4,895.61

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Solution

The fourth proportional to 10,440.47, 15,664.55 and 4,895.61 is: 7,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.47 : 15,664.55 = 4,895.61 : x
  2. Step 2: Convert to fraction form
    10,440.47/15,664.55 = 4,895.61/x
  3. Step 3: Cross multiply
    10,440.47x = 15,664.55 × 4,895.61
  4. Step 4: Simplify right side
    10,440.47x = 76,687,503.15
  5. Step 5: Solve for x
    x = 76,687,503.15/10,440.47
  6. Step 6: Final answer
    x = 7,345.22

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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.