Home / 7,335.76-11,002.56-2,405.92

Finding the Fourth Proportional to 7,335.76, 11,002.56 and 2,405.92

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Solution

The fourth proportional to 7,335.76, 11,002.56 and 2,405.92 is: 3,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.76 : 11,002.56 = 2,405.92 : x
  2. Step 2: Convert to fraction form
    7,335.76/11,002.56 = 2,405.92/x
  3. Step 3: Cross multiply
    7,335.76x = 11,002.56 × 2,405.92
  4. Step 4: Simplify right side
    7,335.76x = 26,471,279.16
  5. Step 5: Solve for x
    x = 26,471,279.16/7,335.76
  6. Step 6: Final answer
    x = 3,608.53

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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.