Home / 8,637.44-11,920.57-5,100.98

Finding the Fourth Proportional to 8,637.44, 11,920.57 and 5,100.98

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Solution

The fourth proportional to 8,637.44, 11,920.57 and 5,100.98 is: 7,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.44 : 11,920.57 = 5,100.98 : x
  2. Step 2: Convert to fraction form
    8,637.44/11,920.57 = 5,100.98/x
  3. Step 3: Cross multiply
    8,637.44x = 11,920.57 × 5,100.98
  4. Step 4: Simplify right side
    8,637.44x = 60,806,516.80
  5. Step 5: Solve for x
    x = 60,806,516.80/8,637.44
  6. Step 6: Final answer
    x = 7,039.88

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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.