Home / 8,581.31-11,847.56-6,587.90

Finding the Fourth Proportional to 8,581.31, 11,847.56 and 6,587.90

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Solution

The fourth proportional to 8,581.31, 11,847.56 and 6,587.90 is: 9,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.31 : 11,847.56 = 6,587.90 : x
  2. Step 2: Convert to fraction form
    8,581.31/11,847.56 = 6,587.90/x
  3. Step 3: Cross multiply
    8,581.31x = 11,847.56 × 6,587.90
  4. Step 4: Simplify right side
    8,581.31x = 78,050,448.35
  5. Step 5: Solve for x
    x = 78,050,448.35/8,581.31
  6. Step 6: Final answer
    x = 9,095.41

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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.