Home / 6,432.30-8,876.19-3,779.58

Finding the Fourth Proportional to 6,432.30, 8,876.19 and 3,779.58

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Solution

The fourth proportional to 6,432.30, 8,876.19 and 3,779.58 is: 5,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.30 : 8,876.19 = 3,779.58 : x
  2. Step 2: Convert to fraction form
    6,432.30/8,876.19 = 3,779.58/x
  3. Step 3: Cross multiply
    6,432.30x = 8,876.19 × 3,779.58
  4. Step 4: Simplify right side
    6,432.30x = 33,548,270.20
  5. Step 5: Solve for x
    x = 33,548,270.20/6,432.30
  6. Step 6: Final answer
    x = 5,215.59

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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.