Home / 9,180.14-12,669.36-5,644.22

Finding the Fourth Proportional to 9,180.14, 12,669.36 and 5,644.22

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Solution

The fourth proportional to 9,180.14, 12,669.36 and 5,644.22 is: 7,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.14 : 12,669.36 = 5,644.22 : x
  2. Step 2: Convert to fraction form
    9,180.14/12,669.36 = 5,644.22/x
  3. Step 3: Cross multiply
    9,180.14x = 12,669.36 × 5,644.22
  4. Step 4: Simplify right side
    9,180.14x = 71,508,655.10
  5. Step 5: Solve for x
    x = 71,508,655.10/9,180.14
  6. Step 6: Final answer
    x = 7,789.50

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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.