Home / 5,690.34-7,851.20-3,700.44

Finding the Fourth Proportional to 5,690.34, 7,851.20 and 3,700.44

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Solution

The fourth proportional to 5,690.34, 7,851.20 and 3,700.44 is: 5,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.34 : 7,851.20 = 3,700.44 : x
  2. Step 2: Convert to fraction form
    5,690.34/7,851.20 = 3,700.44/x
  3. Step 3: Cross multiply
    5,690.34x = 7,851.20 × 3,700.44
  4. Step 4: Simplify right side
    5,690.34x = 29,052,876.03
  5. Step 5: Solve for x
    x = 29,052,876.03/5,690.34
  6. Step 6: Final answer
    x = 5,105.65

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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.