Home / 5,030.67-7,545.66-1,520.78

Finding the Fourth Proportional to 5,030.67, 7,545.66 and 1,520.78

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Solution

The fourth proportional to 5,030.67, 7,545.66 and 1,520.78 is: 2,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.67 : 7,545.66 = 1,520.78 : x
  2. Step 2: Convert to fraction form
    5,030.67/7,545.66 = 1,520.78/x
  3. Step 3: Cross multiply
    5,030.67x = 7,545.66 × 1,520.78
  4. Step 4: Simplify right side
    5,030.67x = 11,475,251.09
  5. Step 5: Solve for x
    x = 11,475,251.09/5,030.67
  6. Step 6: Final answer
    x = 2,281.06

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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.