Home / 5,481.30-8,223.56-1,585.74

Finding the Fourth Proportional to 5,481.30, 8,223.56 and 1,585.74

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Solution

The fourth proportional to 5,481.30, 8,223.56 and 1,585.74 is: 2,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.30 : 8,223.56 = 1,585.74 : x
  2. Step 2: Convert to fraction form
    5,481.30/8,223.56 = 1,585.74/x
  3. Step 3: Cross multiply
    5,481.30x = 8,223.56 × 1,585.74
  4. Step 4: Simplify right side
    5,481.30x = 13,040,428.03
  5. Step 5: Solve for x
    x = 13,040,428.03/5,481.30
  6. Step 6: Final answer
    x = 2,379.08

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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.