Home / 8,510.47-12,765.69-2,667.54

Finding the Fourth Proportional to 8,510.47, 12,765.69 and 2,667.54

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Solution

The fourth proportional to 8,510.47, 12,765.69 and 2,667.54 is: 4,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.47 : 12,765.69 = 2,667.54 : x
  2. Step 2: Convert to fraction form
    8,510.47/12,765.69 = 2,667.54/x
  3. Step 3: Cross multiply
    8,510.47x = 12,765.69 × 2,667.54
  4. Step 4: Simplify right side
    8,510.47x = 34,052,988.70
  5. Step 5: Solve for x
    x = 34,052,988.70/8,510.47
  6. Step 6: Final answer
    x = 4,001.31

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Similar ratio
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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.