Home / 6,342.02-8,751.30-3,689.96

Finding the Fourth Proportional to 6,342.02, 8,751.30 and 3,689.96

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Solution

The fourth proportional to 6,342.02, 8,751.30 and 3,689.96 is: 5,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.02 : 8,751.30 = 3,689.96 : x
  2. Step 2: Convert to fraction form
    6,342.02/8,751.30 = 3,689.96/x
  3. Step 3: Cross multiply
    6,342.02x = 8,751.30 × 3,689.96
  4. Step 4: Simplify right side
    6,342.02x = 32,291,946.95
  5. Step 5: Solve for x
    x = 32,291,946.95/6,342.02
  6. Step 6: Final answer
    x = 5,091.74

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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.