Home / 7,520.19-10,378.95-4,332.86

Finding the Fourth Proportional to 7,520.19, 10,378.95 and 4,332.86

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Solution

The fourth proportional to 7,520.19, 10,378.95 and 4,332.86 is: 5,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.19 : 10,378.95 = 4,332.86 : x
  2. Step 2: Convert to fraction form
    7,520.19/10,378.95 = 4,332.86/x
  3. Step 3: Cross multiply
    7,520.19x = 10,378.95 × 4,332.86
  4. Step 4: Simplify right side
    7,520.19x = 44,970,537.30
  5. Step 5: Solve for x
    x = 44,970,537.30/7,520.19
  6. Step 6: Final answer
    x = 5,979.97

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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.