Home / 8,747.80-13,111.29-5,042.38

Finding the Fourth Proportional to 8,747.80, 13,111.29 and 5,042.38

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Solution

The fourth proportional to 8,747.80, 13,111.29 and 5,042.38 is: 7,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.80 : 13,111.29 = 5,042.38 : x
  2. Step 2: Convert to fraction form
    8,747.80/13,111.29 = 5,042.38/x
  3. Step 3: Cross multiply
    8,747.80x = 13,111.29 × 5,042.38
  4. Step 4: Simplify right side
    8,747.80x = 66,112,106.47
  5. Step 5: Solve for x
    x = 66,112,106.47/8,747.80
  6. Step 6: Final answer
    x = 7,557.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.