Home / 6,320.96-9,479.11-2,159.83

Finding the Fourth Proportional to 6,320.96, 9,479.11 and 2,159.83

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Solution

The fourth proportional to 6,320.96, 9,479.11 and 2,159.83 is: 3,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.96 : 9,479.11 = 2,159.83 : x
  2. Step 2: Convert to fraction form
    6,320.96/9,479.11 = 2,159.83/x
  3. Step 3: Cross multiply
    6,320.96x = 9,479.11 × 2,159.83
  4. Step 4: Simplify right side
    6,320.96x = 20,473,266.15
  5. Step 5: Solve for x
    x = 20,473,266.15/6,320.96
  6. Step 6: Final answer
    x = 3,238.95

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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.