Home / 7,931.52-11,884.32-5,000.40

Finding the Fourth Proportional to 7,931.52, 11,884.32 and 5,000.40

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Solution

The fourth proportional to 7,931.52, 11,884.32 and 5,000.40 is: 7,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.52 : 11,884.32 = 5,000.40 : x
  2. Step 2: Convert to fraction form
    7,931.52/11,884.32 = 5,000.40/x
  3. Step 3: Cross multiply
    7,931.52x = 11,884.32 × 5,000.40
  4. Step 4: Simplify right side
    7,931.52x = 59,426,353.73
  5. Step 5: Solve for x
    x = 59,426,353.73/7,931.52
  6. Step 6: Final answer
    x = 7,492.43

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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.