Home / 8,938.45-12,335.14-4,959.63

Finding the Fourth Proportional to 8,938.45, 12,335.14 and 4,959.63

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Solution

The fourth proportional to 8,938.45, 12,335.14 and 4,959.63 is: 6,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.45 : 12,335.14 = 4,959.63 : x
  2. Step 2: Convert to fraction form
    8,938.45/12,335.14 = 4,959.63/x
  3. Step 3: Cross multiply
    8,938.45x = 12,335.14 × 4,959.63
  4. Step 4: Simplify right side
    8,938.45x = 61,177,708.70
  5. Step 5: Solve for x
    x = 61,177,708.70/8,938.45
  6. Step 6: Final answer
    x = 6,844.33

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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.