Home / 8,576.18-12,870.43-3,649.28

Finding the Fourth Proportional to 8,576.18, 12,870.43 and 3,649.28

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Solution

The fourth proportional to 8,576.18, 12,870.43 and 3,649.28 is: 5,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.18 : 12,870.43 = 3,649.28 : x
  2. Step 2: Convert to fraction form
    8,576.18/12,870.43 = 3,649.28/x
  3. Step 3: Cross multiply
    8,576.18x = 12,870.43 × 3,649.28
  4. Step 4: Simplify right side
    8,576.18x = 46,967,825.84
  5. Step 5: Solve for x
    x = 46,967,825.84/8,576.18
  6. Step 6: Final answer
    x = 5,476.54

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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.