Home / 5,620.80-7,756.15-3,262.71

Finding the Fourth Proportional to 5,620.80, 7,756.15 and 3,262.71

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Solution

The fourth proportional to 5,620.80, 7,756.15 and 3,262.71 is: 4,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.80 : 7,756.15 = 3,262.71 : x
  2. Step 2: Convert to fraction form
    5,620.80/7,756.15 = 3,262.71/x
  3. Step 3: Cross multiply
    5,620.80x = 7,756.15 × 3,262.71
  4. Step 4: Simplify right side
    5,620.80x = 25,306,068.17
  5. Step 5: Solve for x
    x = 25,306,068.17/5,620.80
  6. Step 6: Final answer
    x = 4,502.22

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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.