Home / 6,449.30-9,666.39-2,979.26

Finding the Fourth Proportional to 6,449.30, 9,666.39 and 2,979.26

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Solution

The fourth proportional to 6,449.30, 9,666.39 and 2,979.26 is: 4,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.30 : 9,666.39 = 2,979.26 : x
  2. Step 2: Convert to fraction form
    6,449.30/9,666.39 = 2,979.26/x
  3. Step 3: Cross multiply
    6,449.30x = 9,666.39 × 2,979.26
  4. Step 4: Simplify right side
    6,449.30x = 28,798,689.07
  5. Step 5: Solve for x
    x = 28,798,689.07/6,449.30
  6. Step 6: Final answer
    x = 4,465.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.