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Finding the Fourth Proportional to 9,040.10, 12,475.80 and 5,060.97

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Solution

The fourth proportional to 9,040.10, 12,475.80 and 5,060.97 is: 6,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.10 : 12,475.80 = 5,060.97 : x
  2. Step 2: Convert to fraction form
    9,040.10/12,475.80 = 5,060.97/x
  3. Step 3: Cross multiply
    9,040.10x = 12,475.80 × 5,060.97
  4. Step 4: Simplify right side
    9,040.10x = 63,139,668.06
  5. Step 5: Solve for x
    x = 63,139,668.06/9,040.10
  6. Step 6: Final answer
    x = 6,984.40

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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.