Home / 5,618.20-7,753.77-3,381.19

Finding the Fourth Proportional to 5,618.20, 7,753.77 and 3,381.19

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Solution

The fourth proportional to 5,618.20, 7,753.77 and 3,381.19 is: 4,666.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.20 : 7,753.77 = 3,381.19 : x
  2. Step 2: Convert to fraction form
    5,618.20/7,753.77 = 3,381.19/x
  3. Step 3: Cross multiply
    5,618.20x = 7,753.77 × 3,381.19
  4. Step 4: Simplify right side
    5,618.20x = 26,216,969.59
  5. Step 5: Solve for x
    x = 26,216,969.59/5,618.20
  6. Step 6: Final answer
    x = 4,666.44

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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.