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Finding the Fourth Proportional to 5,474.07, 7,541.78 and 5,104.71

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Solution

The fourth proportional to 5,474.07, 7,541.78 and 5,104.71 is: 7,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.07 : 7,541.78 = 5,104.71 : x
  2. Step 2: Convert to fraction form
    5,474.07/7,541.78 = 5,104.71/x
  3. Step 3: Cross multiply
    5,474.07x = 7,541.78 × 5,104.71
  4. Step 4: Simplify right side
    5,474.07x = 38,498,574.26
  5. Step 5: Solve for x
    x = 38,498,574.26/5,474.07
  6. Step 6: Final answer
    x = 7,032.90

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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.