Home / 7,601.28-11,403.36-2,407.92

Finding the Fourth Proportional to 7,601.28, 11,403.36 and 2,407.92

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Solution

The fourth proportional to 7,601.28, 11,403.36 and 2,407.92 is: 3,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.28 : 11,403.36 = 2,407.92 : x
  2. Step 2: Convert to fraction form
    7,601.28/11,403.36 = 2,407.92/x
  3. Step 3: Cross multiply
    7,601.28x = 11,403.36 × 2,407.92
  4. Step 4: Simplify right side
    7,601.28x = 27,458,378.61
  5. Step 5: Solve for x
    x = 27,458,378.61/7,601.28
  6. Step 6: Final answer
    x = 3,612.34

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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.