Home / 6,432.08-8,875.44-3,779.72

Finding the Fourth Proportional to 6,432.08, 8,875.44 and 3,779.72

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Solution

The fourth proportional to 6,432.08, 8,875.44 and 3,779.72 is: 5,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.08 : 8,875.44 = 3,779.72 : x
  2. Step 2: Convert to fraction form
    6,432.08/8,875.44 = 3,779.72/x
  3. Step 3: Cross multiply
    6,432.08x = 8,875.44 × 3,779.72
  4. Step 4: Simplify right side
    6,432.08x = 33,546,678.08
  5. Step 5: Solve for x
    x = 33,546,678.08/6,432.08
  6. Step 6: Final answer
    x = 5,215.53

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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.