Home / 6,761.02-9,329.12-3,776.70

Finding the Fourth Proportional to 6,761.02, 9,329.12 and 3,776.70

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Solution

The fourth proportional to 6,761.02, 9,329.12 and 3,776.70 is: 5,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.02 : 9,329.12 = 3,776.70 : x
  2. Step 2: Convert to fraction form
    6,761.02/9,329.12 = 3,776.70/x
  3. Step 3: Cross multiply
    6,761.02x = 9,329.12 × 3,776.70
  4. Step 4: Simplify right side
    6,761.02x = 35,233,287.50
  5. Step 5: Solve for x
    x = 35,233,287.50/6,761.02
  6. Step 6: Final answer
    x = 5,211.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.