Home / 8,694.17-11,999.85-5,338.75

Finding the Fourth Proportional to 8,694.17, 11,999.85 and 5,338.75

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Solution

The fourth proportional to 8,694.17, 11,999.85 and 5,338.75 is: 7,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.17 : 11,999.85 = 5,338.75 : x
  2. Step 2: Convert to fraction form
    8,694.17/11,999.85 = 5,338.75/x
  3. Step 3: Cross multiply
    8,694.17x = 11,999.85 × 5,338.75
  4. Step 4: Simplify right side
    8,694.17x = 64,064,139.19
  5. Step 5: Solve for x
    x = 64,064,139.19/8,694.17
  6. Step 6: Final answer
    x = 7,368.63

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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.