Home / 5,030.85-7,545.66-3,180.40

Finding the Fourth Proportional to 5,030.85, 7,545.66 and 3,180.40

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Solution

The fourth proportional to 5,030.85, 7,545.66 and 3,180.40 is: 4,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.85 : 7,545.66 = 3,180.40 : x
  2. Step 2: Convert to fraction form
    5,030.85/7,545.66 = 3,180.40/x
  3. Step 3: Cross multiply
    5,030.85x = 7,545.66 × 3,180.40
  4. Step 4: Simplify right side
    5,030.85x = 23,998,217.06
  5. Step 5: Solve for x
    x = 23,998,217.06/5,030.85
  6. Step 6: Final answer
    x = 4,770.21

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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.