Home / 8,411.20-11,601.27-5,425.54

Finding the Fourth Proportional to 8,411.20, 11,601.27 and 5,425.54

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Solution

The fourth proportional to 8,411.20, 11,601.27 and 5,425.54 is: 7,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.20 : 11,601.27 = 5,425.54 : x
  2. Step 2: Convert to fraction form
    8,411.20/11,601.27 = 5,425.54/x
  3. Step 3: Cross multiply
    8,411.20x = 11,601.27 × 5,425.54
  4. Step 4: Simplify right side
    8,411.20x = 62,943,154.44
  5. Step 5: Solve for x
    x = 62,943,154.44/8,411.20
  6. Step 6: Final answer
    x = 7,483.25

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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.