Home / 9,788.24-13,507.08-5,540

Finding the Fourth Proportional to 9,788.24, 13,507.08 and 5,540

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Solution

The fourth proportional to 9,788.24, 13,507.08 and 5,540 is: 7,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.24 : 13,507.08 = 5,540 : x
  2. Step 2: Convert to fraction form
    9,788.24/13,507.08 = 5,540/x
  3. Step 3: Cross multiply
    9,788.24x = 13,507.08 × 5,540
  4. Step 4: Simplify right side
    9,788.24x = 74,829,223.20
  5. Step 5: Solve for x
    x = 74,829,223.20/9,788.24
  6. Step 6: Final answer
    x = 7,644.81

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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.