Home / 8,380.51-12,576.07-4,685.17

Finding the Fourth Proportional to 8,380.51, 12,576.07 and 4,685.17

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Solution

The fourth proportional to 8,380.51, 12,576.07 and 4,685.17 is: 7,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.51 : 12,576.07 = 4,685.17 : x
  2. Step 2: Convert to fraction form
    8,380.51/12,576.07 = 4,685.17/x
  3. Step 3: Cross multiply
    8,380.51x = 12,576.07 × 4,685.17
  4. Step 4: Simplify right side
    8,380.51x = 58,920,995.10
  5. Step 5: Solve for x
    x = 58,920,995.10/8,380.51
  6. Step 6: Final answer
    x = 7,030.71

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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.