Home / 8,938.15-12,334.60-4,959.25

Finding the Fourth Proportional to 8,938.15, 12,334.60 and 4,959.25

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Solution

The fourth proportional to 8,938.15, 12,334.60 and 4,959.25 is: 6,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.15 : 12,334.60 = 4,959.25 : x
  2. Step 2: Convert to fraction form
    8,938.15/12,334.60 = 4,959.25/x
  3. Step 3: Cross multiply
    8,938.15x = 12,334.60 × 4,959.25
  4. Step 4: Simplify right side
    8,938.15x = 61,170,389.05
  5. Step 5: Solve for x
    x = 61,170,389.05/8,938.15
  6. Step 6: Final answer
    x = 6,843.74

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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.