Home / 6,319.59-9,479.16-2,159.73

Finding the Fourth Proportional to 6,319.59, 9,479.16 and 2,159.73

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Solution

The fourth proportional to 6,319.59, 9,479.16 and 2,159.73 is: 3,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.59 : 9,479.16 = 2,159.73 : x
  2. Step 2: Convert to fraction form
    6,319.59/9,479.16 = 2,159.73/x
  3. Step 3: Cross multiply
    6,319.59x = 9,479.16 × 2,159.73
  4. Step 4: Simplify right side
    6,319.59x = 20,472,426.23
  5. Step 5: Solve for x
    x = 20,472,426.23/6,319.59
  6. Step 6: Final answer
    x = 3,239.52

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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.