Home / 5,872.08-8,103.40-3,219.47

Finding the Fourth Proportional to 5,872.08, 8,103.40 and 3,219.47

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Solution

The fourth proportional to 5,872.08, 8,103.40 and 3,219.47 is: 4,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.08 : 8,103.40 = 3,219.47 : x
  2. Step 2: Convert to fraction form
    5,872.08/8,103.40 = 3,219.47/x
  3. Step 3: Cross multiply
    5,872.08x = 8,103.40 × 3,219.47
  4. Step 4: Simplify right side
    5,872.08x = 26,088,653.20
  5. Step 5: Solve for x
    x = 26,088,653.20/5,872.08
  6. Step 6: Final answer
    x = 4,442.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.