Home / 5,396.02-7,447.29-3,158.60

Finding the Fourth Proportional to 5,396.02, 7,447.29 and 3,158.60

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Solution

The fourth proportional to 5,396.02, 7,447.29 and 3,158.60 is: 4,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.02 : 7,447.29 = 3,158.60 : x
  2. Step 2: Convert to fraction form
    5,396.02/7,447.29 = 3,158.60/x
  3. Step 3: Cross multiply
    5,396.02x = 7,447.29 × 3,158.60
  4. Step 4: Simplify right side
    5,396.02x = 23,522,978.88
  5. Step 5: Solve for x
    x = 23,522,978.88/5,396.02
  6. Step 6: Final answer
    x = 4,359.32

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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.