Home / 7,831.28-11,743.23-4,545.29

Finding the Fourth Proportional to 7,831.28, 11,743.23 and 4,545.29

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Solution

The fourth proportional to 7,831.28, 11,743.23 and 4,545.29 is: 6,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.28 : 11,743.23 = 4,545.29 : x
  2. Step 2: Convert to fraction form
    7,831.28/11,743.23 = 4,545.29/x
  3. Step 3: Cross multiply
    7,831.28x = 11,743.23 × 4,545.29
  4. Step 4: Simplify right side
    7,831.28x = 53,376,385.89
  5. Step 5: Solve for x
    x = 53,376,385.89/7,831.28
  6. Step 6: Final answer
    x = 6,815.79

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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.