Home / 9,108.42-12,560.70-5,920.53

Finding the Fourth Proportional to 9,108.42, 12,560.70 and 5,920.53

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Solution

The fourth proportional to 9,108.42, 12,560.70 and 5,920.53 is: 8,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.42 : 12,560.70 = 5,920.53 : x
  2. Step 2: Convert to fraction form
    9,108.42/12,560.70 = 5,920.53/x
  3. Step 3: Cross multiply
    9,108.42x = 12,560.70 × 5,920.53
  4. Step 4: Simplify right side
    9,108.42x = 74,366,001.17
  5. Step 5: Solve for x
    x = 74,366,001.17/9,108.42
  6. Step 6: Final answer
    x = 8,164.53

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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.