Home / 8,560.35-12,831.75-5,442.66

Finding the Fourth Proportional to 8,560.35, 12,831.75 and 5,442.66

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Solution

The fourth proportional to 8,560.35, 12,831.75 and 5,442.66 is: 8,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.35 : 12,831.75 = 5,442.66 : x
  2. Step 2: Convert to fraction form
    8,560.35/12,831.75 = 5,442.66/x
  3. Step 3: Cross multiply
    8,560.35x = 12,831.75 × 5,442.66
  4. Step 4: Simplify right side
    8,560.35x = 69,838,852.46
  5. Step 5: Solve for x
    x = 69,838,852.46/8,560.35
  6. Step 6: Final answer
    x = 8,158.41

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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.