Home / 8,244.08-11,386.68-6,342.20

Finding the Fourth Proportional to 8,244.08, 11,386.68 and 6,342.20

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Solution

The fourth proportional to 8,244.08, 11,386.68 and 6,342.20 is: 8,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.08 : 11,386.68 = 6,342.20 : x
  2. Step 2: Convert to fraction form
    8,244.08/11,386.68 = 6,342.20/x
  3. Step 3: Cross multiply
    8,244.08x = 11,386.68 × 6,342.20
  4. Step 4: Simplify right side
    8,244.08x = 72,216,601.90
  5. Step 5: Solve for x
    x = 72,216,601.90/8,244.08
  6. Step 6: Final answer
    x = 8,759.81

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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.