Home / 4,326.08-6,489.12-2,788.16

Finding the Fourth Proportional to 4,326.08, 6,489.12 and 2,788.16

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Solution

The fourth proportional to 4,326.08, 6,489.12 and 2,788.16 is: 4,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.08 : 6,489.12 = 2,788.16 : x
  2. Step 2: Convert to fraction form
    4,326.08/6,489.12 = 2,788.16/x
  3. Step 3: Cross multiply
    4,326.08x = 6,489.12 × 2,788.16
  4. Step 4: Simplify right side
    4,326.08x = 18,092,704.82
  5. Step 5: Solve for x
    x = 18,092,704.82/4,326.08
  6. Step 6: Final answer
    x = 4,182.24

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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.