Home / 4,545.38-6,818.22-1,258.20

Finding the Fourth Proportional to 4,545.38, 6,818.22 and 1,258.20

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Solution

The fourth proportional to 4,545.38, 6,818.22 and 1,258.20 is: 1,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.38 : 6,818.22 = 1,258.20 : x
  2. Step 2: Convert to fraction form
    4,545.38/6,818.22 = 1,258.20/x
  3. Step 3: Cross multiply
    4,545.38x = 6,818.22 × 1,258.20
  4. Step 4: Simplify right side
    4,545.38x = 8,578,644.02
  5. Step 5: Solve for x
    x = 8,578,644.02/4,545.38
  6. Step 6: Final answer
    x = 1,887.33

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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.