Home / 6,434.39-8,876.66-4,545.68

Finding the Fourth Proportional to 6,434.39, 8,876.66 and 4,545.68

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Solution

The fourth proportional to 6,434.39, 8,876.66 and 4,545.68 is: 6,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.39 : 8,876.66 = 4,545.68 : x
  2. Step 2: Convert to fraction form
    6,434.39/8,876.66 = 4,545.68/x
  3. Step 3: Cross multiply
    6,434.39x = 8,876.66 × 4,545.68
  4. Step 4: Simplify right side
    6,434.39x = 40,350,388.72
  5. Step 5: Solve for x
    x = 40,350,388.72/6,434.39
  6. Step 6: Final answer
    x = 6,271.05

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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.