Home / 9,822.57-13,552.79-5,789.55

Finding the Fourth Proportional to 9,822.57, 13,552.79 and 5,789.55

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Solution

The fourth proportional to 9,822.57, 13,552.79 and 5,789.55 is: 7,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.57 : 13,552.79 = 5,789.55 : x
  2. Step 2: Convert to fraction form
    9,822.57/13,552.79 = 5,789.55/x
  3. Step 3: Cross multiply
    9,822.57x = 13,552.79 × 5,789.55
  4. Step 4: Simplify right side
    9,822.57x = 78,464,577.22
  5. Step 5: Solve for x
    x = 78,464,577.22/9,822.57
  6. Step 6: Final answer
    x = 7,988.20

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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.