Home / 5,010.30-7,515.45-2,377.80

Finding the Fourth Proportional to 5,010.30, 7,515.45 and 2,377.80

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Solution

The fourth proportional to 5,010.30, 7,515.45 and 2,377.80 is: 3,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.30 : 7,515.45 = 2,377.80 : x
  2. Step 2: Convert to fraction form
    5,010.30/7,515.45 = 2,377.80/x
  3. Step 3: Cross multiply
    5,010.30x = 7,515.45 × 2,377.80
  4. Step 4: Simplify right side
    5,010.30x = 17,870,237.01
  5. Step 5: Solve for x
    x = 17,870,237.01/5,010.30
  6. Step 6: Final answer
    x = 3,566.70

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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.