Home / 7,158.88-10,737.84-2,478.76

Finding the Fourth Proportional to 7,158.88, 10,737.84 and 2,478.76

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Solution

The fourth proportional to 7,158.88, 10,737.84 and 2,478.76 is: 3,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.88 : 10,737.84 = 2,478.76 : x
  2. Step 2: Convert to fraction form
    7,158.88/10,737.84 = 2,478.76/x
  3. Step 3: Cross multiply
    7,158.88x = 10,737.84 × 2,478.76
  4. Step 4: Simplify right side
    7,158.88x = 26,616,528.28
  5. Step 5: Solve for x
    x = 26,616,528.28/7,158.88
  6. Step 6: Final answer
    x = 3,717.97

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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.