Home / 6,414.40-9,614.26-2,899.10

Finding the Fourth Proportional to 6,414.40, 9,614.26 and 2,899.10

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Solution

The fourth proportional to 6,414.40, 9,614.26 and 2,899.10 is: 4,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.40 : 9,614.26 = 2,899.10 : x
  2. Step 2: Convert to fraction form
    6,414.40/9,614.26 = 2,899.10/x
  3. Step 3: Cross multiply
    6,414.40x = 9,614.26 × 2,899.10
  4. Step 4: Simplify right side
    6,414.40x = 27,872,728.83
  5. Step 5: Solve for x
    x = 27,872,728.83/6,414.40
  6. Step 6: Final answer
    x = 4,345.34

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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.