Home / 6,319.88-9,481.02-2,159.72

Finding the Fourth Proportional to 6,319.88, 9,481.02 and 2,159.72

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Solution

The fourth proportional to 6,319.88, 9,481.02 and 2,159.72 is: 3,239.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.88 : 9,481.02 = 2,159.72 : x
  2. Step 2: Convert to fraction form
    6,319.88/9,481.02 = 2,159.72/x
  3. Step 3: Cross multiply
    6,319.88x = 9,481.02 × 2,159.72
  4. Step 4: Simplify right side
    6,319.88x = 20,476,348.51
  5. Step 5: Solve for x
    x = 20,476,348.51/6,319.88
  6. Step 6: Final answer
    x = 3,239.99

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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.