Home / 7,887.28-10,884.08-4,527.72

Finding the Fourth Proportional to 7,887.28, 10,884.08 and 4,527.72

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Solution

The fourth proportional to 7,887.28, 10,884.08 and 4,527.72 is: 6,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.28 : 10,884.08 = 4,527.72 : x
  2. Step 2: Convert to fraction form
    7,887.28/10,884.08 = 4,527.72/x
  3. Step 3: Cross multiply
    7,887.28x = 10,884.08 × 4,527.72
  4. Step 4: Simplify right side
    7,887.28x = 49,280,066.70
  5. Step 5: Solve for x
    x = 49,280,066.70/7,887.28
  6. Step 6: Final answer
    x = 6,248.04

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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.