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Finding the Fourth Proportional to 8,454, 12,681.36 and 2,298

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Solution

The fourth proportional to 8,454, 12,681.36 and 2,298 is: 3,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454 : 12,681.36 = 2,298 : x
  2. Step 2: Convert to fraction form
    8,454/12,681.36 = 2,298/x
  3. Step 3: Cross multiply
    8,454x = 12,681.36 × 2,298
  4. Step 4: Simplify right side
    8,454x = 29,141,765.28
  5. Step 5: Solve for x
    x = 29,141,765.28/8,454
  6. Step 6: Final answer
    x = 3,447.10

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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.