Home / 8,938.24-12,333.80-4,959.28

Finding the Fourth Proportional to 8,938.24, 12,333.80 and 4,959.28

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Solution

The fourth proportional to 8,938.24, 12,333.80 and 4,959.28 is: 6,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.24 : 12,333.80 = 4,959.28 : x
  2. Step 2: Convert to fraction form
    8,938.24/12,333.80 = 4,959.28/x
  3. Step 3: Cross multiply
    8,938.24x = 12,333.80 × 4,959.28
  4. Step 4: Simplify right side
    8,938.24x = 61,166,767.66
  5. Step 5: Solve for x
    x = 61,166,767.66/8,938.24
  6. Step 6: Final answer
    x = 6,843.27

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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.