Home / 6,388.80-8,818.92-3,737.04

Finding the Fourth Proportional to 6,388.80, 8,818.92 and 3,737.04

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Solution

The fourth proportional to 6,388.80, 8,818.92 and 3,737.04 is: 5,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.80 : 8,818.92 = 3,737.04 : x
  2. Step 2: Convert to fraction form
    6,388.80/8,818.92 = 3,737.04/x
  3. Step 3: Cross multiply
    6,388.80x = 8,818.92 × 3,737.04
  4. Step 4: Simplify right side
    6,388.80x = 32,956,656.80
  5. Step 5: Solve for x
    x = 32,956,656.80/6,388.80
  6. Step 6: Final answer
    x = 5,158.51

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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.