Home / 8,510.23-12,761.83-3,247.15

Finding the Fourth Proportional to 8,510.23, 12,761.83 and 3,247.15

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Solution

The fourth proportional to 8,510.23, 12,761.83 and 3,247.15 is: 4,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.23 : 12,761.83 = 3,247.15 : x
  2. Step 2: Convert to fraction form
    8,510.23/12,761.83 = 3,247.15/x
  3. Step 3: Cross multiply
    8,510.23x = 12,761.83 × 3,247.15
  4. Step 4: Simplify right side
    8,510.23x = 41,439,576.28
  5. Step 5: Solve for x
    x = 41,439,576.28/8,510.23
  6. Step 6: Final answer
    x = 4,869.38

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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.