Home / 5,456.31-8,184.45-1,759.08

Finding the Fourth Proportional to 5,456.31, 8,184.45 and 1,759.08

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Solution

The fourth proportional to 5,456.31, 8,184.45 and 1,759.08 is: 2,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.31 : 8,184.45 = 1,759.08 : x
  2. Step 2: Convert to fraction form
    5,456.31/8,184.45 = 1,759.08/x
  3. Step 3: Cross multiply
    5,456.31x = 8,184.45 × 1,759.08
  4. Step 4: Simplify right side
    5,456.31x = 14,397,139.59
  5. Step 5: Solve for x
    x = 14,397,139.59/5,456.31
  6. Step 6: Final answer
    x = 2,638.62

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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.