Home / 6,722.18-9,276.60-3,737.92

Finding the Fourth Proportional to 6,722.18, 9,276.60 and 3,737.92

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Solution

The fourth proportional to 6,722.18, 9,276.60 and 3,737.92 is: 5,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.18 : 9,276.60 = 3,737.92 : x
  2. Step 2: Convert to fraction form
    6,722.18/9,276.60 = 3,737.92/x
  3. Step 3: Cross multiply
    6,722.18x = 9,276.60 × 3,737.92
  4. Step 4: Simplify right side
    6,722.18x = 34,675,188.67
  5. Step 5: Solve for x
    x = 34,675,188.67/6,722.18
  6. Step 6: Final answer
    x = 5,158.32

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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.