Home / 8,359.20-11,551.68-6,259.68

Finding the Fourth Proportional to 8,359.20, 11,551.68 and 6,259.68

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Solution

The fourth proportional to 8,359.20, 11,551.68 and 6,259.68 is: 8,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.20 : 11,551.68 = 6,259.68 : x
  2. Step 2: Convert to fraction form
    8,359.20/11,551.68 = 6,259.68/x
  3. Step 3: Cross multiply
    8,359.20x = 11,551.68 × 6,259.68
  4. Step 4: Simplify right side
    8,359.20x = 72,309,820.26
  5. Step 5: Solve for x
    x = 72,309,820.26/8,359.20
  6. Step 6: Final answer
    x = 8,650.33

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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.