Home / 9,130.72-12,600.41-4,938.97

Finding the Fourth Proportional to 9,130.72, 12,600.41 and 4,938.97

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Solution

The fourth proportional to 9,130.72, 12,600.41 and 4,938.97 is: 6,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.72 : 12,600.41 = 4,938.97 : x
  2. Step 2: Convert to fraction form
    9,130.72/12,600.41 = 4,938.97/x
  3. Step 3: Cross multiply
    9,130.72x = 12,600.41 × 4,938.97
  4. Step 4: Simplify right side
    9,130.72x = 62,233,046.98
  5. Step 5: Solve for x
    x = 62,233,046.98/9,130.72
  6. Step 6: Final answer
    x = 6,815.79

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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.