Home / 8,335.12-12,503.35-2,788.50

Finding the Fourth Proportional to 8,335.12, 12,503.35 and 2,788.50

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Solution

The fourth proportional to 8,335.12, 12,503.35 and 2,788.50 is: 4,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.12 : 12,503.35 = 2,788.50 : x
  2. Step 2: Convert to fraction form
    8,335.12/12,503.35 = 2,788.50/x
  3. Step 3: Cross multiply
    8,335.12x = 12,503.35 × 2,788.50
  4. Step 4: Simplify right side
    8,335.12x = 34,865,591.48
  5. Step 5: Solve for x
    x = 34,865,591.48/8,335.12
  6. Step 6: Final answer
    x = 4,182.97

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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.