Home / 5,531.30-8,291.45-3,555.71

Finding the Fourth Proportional to 5,531.30, 8,291.45 and 3,555.71

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Solution

The fourth proportional to 5,531.30, 8,291.45 and 3,555.71 is: 5,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.30 : 8,291.45 = 3,555.71 : x
  2. Step 2: Convert to fraction form
    5,531.30/8,291.45 = 3,555.71/x
  3. Step 3: Cross multiply
    5,531.30x = 8,291.45 × 3,555.71
  4. Step 4: Simplify right side
    5,531.30x = 29,481,959.11
  5. Step 5: Solve for x
    x = 29,481,959.11/5,531.30
  6. Step 6: Final answer
    x = 5,330.03

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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.