Home / 7,402.52-11,102.16-4,275.92

Finding the Fourth Proportional to 7,402.52, 11,102.16 and 4,275.92

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Solution

The fourth proportional to 7,402.52, 11,102.16 and 4,275.92 is: 6,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.52 : 11,102.16 = 4,275.92 : x
  2. Step 2: Convert to fraction form
    7,402.52/11,102.16 = 4,275.92/x
  3. Step 3: Cross multiply
    7,402.52x = 11,102.16 × 4,275.92
  4. Step 4: Simplify right side
    7,402.52x = 47,471,947.99
  5. Step 5: Solve for x
    x = 47,471,947.99/7,402.52
  6. Step 6: Final answer
    x = 6,412.94

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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.