Home / 7,377.12-10,178.88-4,392

Finding the Fourth Proportional to 7,377.12, 10,178.88 and 4,392

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Solution

The fourth proportional to 7,377.12, 10,178.88 and 4,392 is: 6,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.12 : 10,178.88 = 4,392 : x
  2. Step 2: Convert to fraction form
    7,377.12/10,178.88 = 4,392/x
  3. Step 3: Cross multiply
    7,377.12x = 10,178.88 × 4,392
  4. Step 4: Simplify right side
    7,377.12x = 44,705,640.96
  5. Step 5: Solve for x
    x = 44,705,640.96/7,377.12
  6. Step 6: Final answer
    x = 6,060.04

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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.