Home / 8,938.39-12,335.75-4,906.00

Finding the Fourth Proportional to 8,938.39, 12,335.75 and 4,906.00

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Solution

The fourth proportional to 8,938.39, 12,335.75 and 4,906.00 is: 6,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.39 : 12,335.75 = 4,906.00 : x
  2. Step 2: Convert to fraction form
    8,938.39/12,335.75 = 4,906.00/x
  3. Step 3: Cross multiply
    8,938.39x = 12,335.75 × 4,906.00
  4. Step 4: Simplify right side
    8,938.39x = 60,519,134.13
  5. Step 5: Solve for x
    x = 60,519,134.13/8,938.39
  6. Step 6: Final answer
    x = 6,770.70

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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.