Home / 5,619.43-7,757.29-3,630.95

Finding the Fourth Proportional to 5,619.43, 7,757.29 and 3,630.95

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Solution

The fourth proportional to 5,619.43, 7,757.29 and 3,630.95 is: 5,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.43 : 7,757.29 = 3,630.95 : x
  2. Step 2: Convert to fraction form
    5,619.43/7,757.29 = 3,630.95/x
  3. Step 3: Cross multiply
    5,619.43x = 7,757.29 × 3,630.95
  4. Step 4: Simplify right side
    5,619.43x = 28,166,332.13
  5. Step 5: Solve for x
    x = 28,166,332.13/5,619.43
  6. Step 6: Final answer
    x = 5,012.32

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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.