Home / 5,312.49-7,326.14-3,517.12

Finding the Fourth Proportional to 5,312.49, 7,326.14 and 3,517.12

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Solution

The fourth proportional to 5,312.49, 7,326.14 and 3,517.12 is: 4,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.49 : 7,326.14 = 3,517.12 : x
  2. Step 2: Convert to fraction form
    5,312.49/7,326.14 = 3,517.12/x
  3. Step 3: Cross multiply
    5,312.49x = 7,326.14 × 3,517.12
  4. Step 4: Simplify right side
    5,312.49x = 25,766,913.52
  5. Step 5: Solve for x
    x = 25,766,913.52/5,312.49
  6. Step 6: Final answer
    x = 4,850.25

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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.