Home / 4,363.80-6,545.70-4,320.60

Finding the Fourth Proportional to 4,363.80, 6,545.70 and 4,320.60

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Solution

The fourth proportional to 4,363.80, 6,545.70 and 4,320.60 is: 6,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,363.80 : 6,545.70 = 4,320.60 : x
  2. Step 2: Convert to fraction form
    4,363.80/6,545.70 = 4,320.60/x
  3. Step 3: Cross multiply
    4,363.80x = 6,545.70 × 4,320.60
  4. Step 4: Simplify right side
    4,363.80x = 28,281,351.42
  5. Step 5: Solve for x
    x = 28,281,351.42/4,363.80
  6. Step 6: Final answer
    x = 6,480.90

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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.