Home / 8,510.26-12,765.40-3,316.13

Finding the Fourth Proportional to 8,510.26, 12,765.40 and 3,316.13

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Solution

The fourth proportional to 8,510.26, 12,765.40 and 3,316.13 is: 4,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.26 : 12,765.40 = 3,316.13 : x
  2. Step 2: Convert to fraction form
    8,510.26/12,765.40 = 3,316.13/x
  3. Step 3: Cross multiply
    8,510.26x = 12,765.40 × 3,316.13
  4. Step 4: Simplify right side
    8,510.26x = 42,331,725.90
  5. Step 5: Solve for x
    x = 42,331,725.90/8,510.26
  6. Step 6: Final answer
    x = 4,974.20

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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.