Home / 7,405.52-11,108.85-2,475.17

Finding the Fourth Proportional to 7,405.52, 11,108.85 and 2,475.17

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Solution

The fourth proportional to 7,405.52, 11,108.85 and 2,475.17 is: 3,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.52 : 11,108.85 = 2,475.17 : x
  2. Step 2: Convert to fraction form
    7,405.52/11,108.85 = 2,475.17/x
  3. Step 3: Cross multiply
    7,405.52x = 11,108.85 × 2,475.17
  4. Step 4: Simplify right side
    7,405.52x = 27,496,292.25
  5. Step 5: Solve for x
    x = 27,496,292.25/7,405.52
  6. Step 6: Final answer
    x = 3,712.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.