Home / 4,831.60-7,247.40-1,545.72

Finding the Fourth Proportional to 4,831.60, 7,247.40 and 1,545.72

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Solution

The fourth proportional to 4,831.60, 7,247.40 and 1,545.72 is: 2,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.60 : 7,247.40 = 1,545.72 : x
  2. Step 2: Convert to fraction form
    4,831.60/7,247.40 = 1,545.72/x
  3. Step 3: Cross multiply
    4,831.60x = 7,247.40 × 1,545.72
  4. Step 4: Simplify right side
    4,831.60x = 11,202,451.13
  5. Step 5: Solve for x
    x = 11,202,451.13/4,831.60
  6. Step 6: Final answer
    x = 2,318.58

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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.