Home / 4,316.90-6,475.32-3,545.78

Finding the Fourth Proportional to 4,316.90, 6,475.32 and 3,545.78

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Solution

The fourth proportional to 4,316.90, 6,475.32 and 3,545.78 is: 5,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.90 : 6,475.32 = 3,545.78 : x
  2. Step 2: Convert to fraction form
    4,316.90/6,475.32 = 3,545.78/x
  3. Step 3: Cross multiply
    4,316.90x = 6,475.32 × 3,545.78
  4. Step 4: Simplify right side
    4,316.90x = 22,960,060.15
  5. Step 5: Solve for x
    x = 22,960,060.15/4,316.90
  6. Step 6: Final answer
    x = 5,318.65

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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.