Home / 7,661.28-10,572.55-4,476.77

Finding the Fourth Proportional to 7,661.28, 10,572.55 and 4,476.77

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Solution

The fourth proportional to 7,661.28, 10,572.55 and 4,476.77 is: 6,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.28 : 10,572.55 = 4,476.77 : x
  2. Step 2: Convert to fraction form
    7,661.28/10,572.55 = 4,476.77/x
  3. Step 3: Cross multiply
    7,661.28x = 10,572.55 × 4,476.77
  4. Step 4: Simplify right side
    7,661.28x = 47,330,810.61
  5. Step 5: Solve for x
    x = 47,330,810.61/7,661.28
  6. Step 6: Final answer
    x = 6,177.92

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Half scale
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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.