Home / 8,867.88-12,239.10-5,283

Finding the Fourth Proportional to 8,867.88, 12,239.10 and 5,283

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Solution

The fourth proportional to 8,867.88, 12,239.10 and 5,283 is: 7,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.88 : 12,239.10 = 5,283 : x
  2. Step 2: Convert to fraction form
    8,867.88/12,239.10 = 5,283/x
  3. Step 3: Cross multiply
    8,867.88x = 12,239.10 × 5,283
  4. Step 4: Simplify right side
    8,867.88x = 64,659,165.30
  5. Step 5: Solve for x
    x = 64,659,165.30/8,867.88
  6. Step 6: Final answer
    x = 7,291.39

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1.5x scale

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.