Home / 6,612.08-9,917.40-2,665.04

Finding the Fourth Proportional to 6,612.08, 9,917.40 and 2,665.04

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Solution

The fourth proportional to 6,612.08, 9,917.40 and 2,665.04 is: 3,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.08 : 9,917.40 = 2,665.04 : x
  2. Step 2: Convert to fraction form
    6,612.08/9,917.40 = 2,665.04/x
  3. Step 3: Cross multiply
    6,612.08x = 9,917.40 × 2,665.04
  4. Step 4: Simplify right side
    6,612.08x = 26,430,267.70
  5. Step 5: Solve for x
    x = 26,430,267.70/6,612.08
  6. Step 6: Final answer
    x = 3,997.27

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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.