Home / 8,395.17-12,576.33-6,437.81

Finding the Fourth Proportional to 8,395.17, 12,576.33 and 6,437.81

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Solution

The fourth proportional to 8,395.17, 12,576.33 and 6,437.81 is: 9,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.17 : 12,576.33 = 6,437.81 : x
  2. Step 2: Convert to fraction form
    8,395.17/12,576.33 = 6,437.81/x
  3. Step 3: Cross multiply
    8,395.17x = 12,576.33 × 6,437.81
  4. Step 4: Simplify right side
    8,395.17x = 80,964,023.04
  5. Step 5: Solve for x
    x = 80,964,023.04/8,395.17
  6. Step 6: Final answer
    x = 9,644.12

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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.