Home / 7,512.20-10,366.64-4,155.04

Finding the Fourth Proportional to 7,512.20, 10,366.64 and 4,155.04

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Solution

The fourth proportional to 7,512.20, 10,366.64 and 4,155.04 is: 5,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.20 : 10,366.64 = 4,155.04 : x
  2. Step 2: Convert to fraction form
    7,512.20/10,366.64 = 4,155.04/x
  3. Step 3: Cross multiply
    7,512.20x = 10,366.64 × 4,155.04
  4. Step 4: Simplify right side
    7,512.20x = 43,073,803.87
  5. Step 5: Solve for x
    x = 43,073,803.87/7,512.20
  6. Step 6: Final answer
    x = 5,733.85

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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.