Home / 8,772.34-13,158.61-5,072.33

Finding the Fourth Proportional to 8,772.34, 13,158.61 and 5,072.33

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Solution

The fourth proportional to 8,772.34, 13,158.61 and 5,072.33 is: 7,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.34 : 13,158.61 = 5,072.33 : x
  2. Step 2: Convert to fraction form
    8,772.34/13,158.61 = 5,072.33/x
  3. Step 3: Cross multiply
    8,772.34x = 13,158.61 × 5,072.33
  4. Step 4: Simplify right side
    8,772.34x = 66,744,812.26
  5. Step 5: Solve for x
    x = 66,744,812.26/8,772.34
  6. Step 6: Final answer
    x = 7,608.55

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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.