Home / 9,332.40-13,996.80-2,757.12

Finding the Fourth Proportional to 9,332.40, 13,996.80 and 2,757.12

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Solution

The fourth proportional to 9,332.40, 13,996.80 and 2,757.12 is: 4,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.40 : 13,996.80 = 2,757.12 : x
  2. Step 2: Convert to fraction form
    9,332.40/13,996.80 = 2,757.12/x
  3. Step 3: Cross multiply
    9,332.40x = 13,996.80 × 2,757.12
  4. Step 4: Simplify right side
    9,332.40x = 38,590,857.22
  5. Step 5: Solve for x
    x = 38,590,857.22/9,332.40
  6. Step 6: Final answer
    x = 4,135.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.