Home / 5,126.90-7,071.02-3,447.17

Finding the Fourth Proportional to 5,126.90, 7,071.02 and 3,447.17

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Solution

The fourth proportional to 5,126.90, 7,071.02 and 3,447.17 is: 4,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.90 : 7,071.02 = 3,447.17 : x
  2. Step 2: Convert to fraction form
    5,126.90/7,071.02 = 3,447.17/x
  3. Step 3: Cross multiply
    5,126.90x = 7,071.02 × 3,447.17
  4. Step 4: Simplify right side
    5,126.90x = 24,374,955.42
  5. Step 5: Solve for x
    x = 24,374,955.42/5,126.90
  6. Step 6: Final answer
    x = 4,754.32

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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.