Home / 7,423.60-11,113.80-4,500.40

Finding the Fourth Proportional to 7,423.60, 11,113.80 and 4,500.40

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Solution

The fourth proportional to 7,423.60, 11,113.80 and 4,500.40 is: 6,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.60 : 11,113.80 = 4,500.40 : x
  2. Step 2: Convert to fraction form
    7,423.60/11,113.80 = 4,500.40/x
  3. Step 3: Cross multiply
    7,423.60x = 11,113.80 × 4,500.40
  4. Step 4: Simplify right side
    7,423.60x = 50,016,545.52
  5. Step 5: Solve for x
    x = 50,016,545.52/7,423.60
  6. Step 6: Final answer
    x = 6,737.51

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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.