Home / 6,432.14-8,876.57-3,779.51

Finding the Fourth Proportional to 6,432.14, 8,876.57 and 3,779.51

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Solution

The fourth proportional to 6,432.14, 8,876.57 and 3,779.51 is: 5,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.14 : 8,876.57 = 3,779.51 : x
  2. Step 2: Convert to fraction form
    6,432.14/8,876.57 = 3,779.51/x
  3. Step 3: Cross multiply
    6,432.14x = 8,876.57 × 3,779.51
  4. Step 4: Simplify right side
    6,432.14x = 33,549,021.80
  5. Step 5: Solve for x
    x = 33,549,021.80/6,432.14
  6. Step 6: Final answer
    x = 5,215.85

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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.