Home / 8,938.90-12,334.80-4,959.96

Finding the Fourth Proportional to 8,938.90, 12,334.80 and 4,959.96

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Solution

The fourth proportional to 8,938.90, 12,334.80 and 4,959.96 is: 6,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.90 : 12,334.80 = 4,959.96 : x
  2. Step 2: Convert to fraction form
    8,938.90/12,334.80 = 4,959.96/x
  3. Step 3: Cross multiply
    8,938.90x = 12,334.80 × 4,959.96
  4. Step 4: Simplify right side
    8,938.90x = 61,180,114.61
  5. Step 5: Solve for x
    x = 61,180,114.61/8,938.90
  6. Step 6: Final answer
    x = 6,844.26

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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.