Home / 4,242.72-5,851.08-2,647.32

Finding the Fourth Proportional to 4,242.72, 5,851.08 and 2,647.32

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Solution

The fourth proportional to 4,242.72, 5,851.08 and 2,647.32 is: 3,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.72 : 5,851.08 = 2,647.32 : x
  2. Step 2: Convert to fraction form
    4,242.72/5,851.08 = 2,647.32/x
  3. Step 3: Cross multiply
    4,242.72x = 5,851.08 × 2,647.32
  4. Step 4: Simplify right side
    4,242.72x = 15,489,681.11
  5. Step 5: Solve for x
    x = 15,489,681.11/4,242.72
  6. Step 6: Final answer
    x = 3,650.88

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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.