Home / 5,618.72-7,753.74-3,101.08

Finding the Fourth Proportional to 5,618.72, 7,753.74 and 3,101.08

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Solution

The fourth proportional to 5,618.72, 7,753.74 and 3,101.08 is: 4,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.72 : 7,753.74 = 3,101.08 : x
  2. Step 2: Convert to fraction form
    5,618.72/7,753.74 = 3,101.08/x
  3. Step 3: Cross multiply
    5,618.72x = 7,753.74 × 3,101.08
  4. Step 4: Simplify right side
    5,618.72x = 24,044,968.04
  5. Step 5: Solve for x
    x = 24,044,968.04/5,618.72
  6. Step 6: Final answer
    x = 4,279.44

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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.