Home / 5,327.88-7,352.10-2,970.15

Finding the Fourth Proportional to 5,327.88, 7,352.10 and 2,970.15

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Solution

The fourth proportional to 5,327.88, 7,352.10 and 2,970.15 is: 4,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.88 : 7,352.10 = 2,970.15 : x
  2. Step 2: Convert to fraction form
    5,327.88/7,352.10 = 2,970.15/x
  3. Step 3: Cross multiply
    5,327.88x = 7,352.10 × 2,970.15
  4. Step 4: Simplify right side
    5,327.88x = 21,836,839.82
  5. Step 5: Solve for x
    x = 21,836,839.82/5,327.88
  6. Step 6: Final answer
    x = 4,098.60

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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.