Home / 8,938.29-12,334.64-4,959.35

Finding the Fourth Proportional to 8,938.29, 12,334.64 and 4,959.35

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Solution

The fourth proportional to 8,938.29, 12,334.64 and 4,959.35 is: 6,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.29 : 12,334.64 = 4,959.35 : x
  2. Step 2: Convert to fraction form
    8,938.29/12,334.64 = 4,959.35/x
  3. Step 3: Cross multiply
    8,938.29x = 12,334.64 × 4,959.35
  4. Step 4: Simplify right side
    8,938.29x = 61,171,710.41
  5. Step 5: Solve for x
    x = 61,171,710.41/8,938.29
  6. Step 6: Final answer
    x = 6,843.78

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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.