Home / 6,507.18-8,979.85-3,674.52

Finding the Fourth Proportional to 6,507.18, 8,979.85 and 3,674.52

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Solution

The fourth proportional to 6,507.18, 8,979.85 and 3,674.52 is: 5,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.18 : 8,979.85 = 3,674.52 : x
  2. Step 2: Convert to fraction form
    6,507.18/8,979.85 = 3,674.52/x
  3. Step 3: Cross multiply
    6,507.18x = 8,979.85 × 3,674.52
  4. Step 4: Simplify right side
    6,507.18x = 32,996,638.42
  5. Step 5: Solve for x
    x = 32,996,638.42/6,507.18
  6. Step 6: Final answer
    x = 5,070.80

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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.