Home / 4,320.08-6,479.72-1,854.44

Finding the Fourth Proportional to 4,320.08, 6,479.72 and 1,854.44

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Solution

The fourth proportional to 4,320.08, 6,479.72 and 1,854.44 is: 2,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.08 : 6,479.72 = 1,854.44 : x
  2. Step 2: Convert to fraction form
    4,320.08/6,479.72 = 1,854.44/x
  3. Step 3: Cross multiply
    4,320.08x = 6,479.72 × 1,854.44
  4. Step 4: Simplify right side
    4,320.08x = 12,016,251.96
  5. Step 5: Solve for x
    x = 12,016,251.96/4,320.08
  6. Step 6: Final answer
    x = 2,781.49

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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.