Home / 4,778.64-6,601.17-4,545.09

Finding the Fourth Proportional to 4,778.64, 6,601.17 and 4,545.09

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Solution

The fourth proportional to 4,778.64, 6,601.17 and 4,545.09 is: 6,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.64 : 6,601.17 = 4,545.09 : x
  2. Step 2: Convert to fraction form
    4,778.64/6,601.17 = 4,545.09/x
  3. Step 3: Cross multiply
    4,778.64x = 6,601.17 × 4,545.09
  4. Step 4: Simplify right side
    4,778.64x = 30,002,911.76
  5. Step 5: Solve for x
    x = 30,002,911.76/4,778.64
  6. Step 6: Final answer
    x = 6,278.55

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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.