Home / 8,274.74-12,407.40-2,726.58

Finding the Fourth Proportional to 8,274.74, 12,407.40 and 2,726.58

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Solution

The fourth proportional to 8,274.74, 12,407.40 and 2,726.58 is: 4,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.74 : 12,407.40 = 2,726.58 : x
  2. Step 2: Convert to fraction form
    8,274.74/12,407.40 = 2,726.58/x
  3. Step 3: Cross multiply
    8,274.74x = 12,407.40 × 2,726.58
  4. Step 4: Simplify right side
    8,274.74x = 33,829,768.69
  5. Step 5: Solve for x
    x = 33,829,768.69/8,274.74
  6. Step 6: Final answer
    x = 4,088.32

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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.