Home / 5,742.02-8,613.12-2,621.90

Finding the Fourth Proportional to 5,742.02, 8,613.12 and 2,621.90

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Solution

The fourth proportional to 5,742.02, 8,613.12 and 2,621.90 is: 3,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.02 : 8,613.12 = 2,621.90 : x
  2. Step 2: Convert to fraction form
    5,742.02/8,613.12 = 2,621.90/x
  3. Step 3: Cross multiply
    5,742.02x = 8,613.12 × 2,621.90
  4. Step 4: Simplify right side
    5,742.02x = 22,582,739.33
  5. Step 5: Solve for x
    x = 22,582,739.33/5,742.02
  6. Step 6: Final answer
    x = 3,932.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.