Home / 9,110.66-12,572.58-5,077.46

Finding the Fourth Proportional to 9,110.66, 12,572.58 and 5,077.46

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Solution

The fourth proportional to 9,110.66, 12,572.58 and 5,077.46 is: 7,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.66 : 12,572.58 = 5,077.46 : x
  2. Step 2: Convert to fraction form
    9,110.66/12,572.58 = 5,077.46/x
  3. Step 3: Cross multiply
    9,110.66x = 12,572.58 × 5,077.46
  4. Step 4: Simplify right side
    9,110.66x = 63,836,772.05
  5. Step 5: Solve for x
    x = 63,836,772.05/9,110.66
  6. Step 6: Final answer
    x = 7,006.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.