Home / 5,248.32-7,872.35-2,127.49

Finding the Fourth Proportional to 5,248.32, 7,872.35 and 2,127.49

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Solution

The fourth proportional to 5,248.32, 7,872.35 and 2,127.49 is: 3,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.32 : 7,872.35 = 2,127.49 : x
  2. Step 2: Convert to fraction form
    5,248.32/7,872.35 = 2,127.49/x
  3. Step 3: Cross multiply
    5,248.32x = 7,872.35 × 2,127.49
  4. Step 4: Simplify right side
    5,248.32x = 16,748,353.08
  5. Step 5: Solve for x
    x = 16,748,353.08/5,248.32
  6. Step 6: Final answer
    x = 3,191.18

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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.