Home / 7,737.20-10,679.64-6,164.72

Finding the Fourth Proportional to 7,737.20, 10,679.64 and 6,164.72

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Solution

The fourth proportional to 7,737.20, 10,679.64 and 6,164.72 is: 8,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.20 : 10,679.64 = 6,164.72 : x
  2. Step 2: Convert to fraction form
    7,737.20/10,679.64 = 6,164.72/x
  3. Step 3: Cross multiply
    7,737.20x = 10,679.64 × 6,164.72
  4. Step 4: Simplify right side
    7,737.20x = 65,836,990.30
  5. Step 5: Solve for x
    x = 65,836,990.30/7,737.20
  6. Step 6: Final answer
    x = 8,509.15

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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.