Home / 6,159.88-8,501.61-3,922.75

Finding the Fourth Proportional to 6,159.88, 8,501.61 and 3,922.75

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Solution

The fourth proportional to 6,159.88, 8,501.61 and 3,922.75 is: 5,414.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.88 : 8,501.61 = 3,922.75 : x
  2. Step 2: Convert to fraction form
    6,159.88/8,501.61 = 3,922.75/x
  3. Step 3: Cross multiply
    6,159.88x = 8,501.61 × 3,922.75
  4. Step 4: Simplify right side
    6,159.88x = 33,349,690.63
  5. Step 5: Solve for x
    x = 33,349,690.63/6,159.88
  6. Step 6: Final answer
    x = 5,414.02

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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.