Home / 9,324.45-12,869.22-5,547.78

Finding the Fourth Proportional to 9,324.45, 12,869.22 and 5,547.78

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Solution

The fourth proportional to 9,324.45, 12,869.22 and 5,547.78 is: 7,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.45 : 12,869.22 = 5,547.78 : x
  2. Step 2: Convert to fraction form
    9,324.45/12,869.22 = 5,547.78/x
  3. Step 3: Cross multiply
    9,324.45x = 12,869.22 × 5,547.78
  4. Step 4: Simplify right side
    9,324.45x = 71,395,601.33
  5. Step 5: Solve for x
    x = 71,395,601.33/9,324.45
  6. Step 6: Final answer
    x = 7,656.82

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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.