Home / 5,576.31-8,364.45-2,656.66

Finding the Fourth Proportional to 5,576.31, 8,364.45 and 2,656.66

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Solution

The fourth proportional to 5,576.31, 8,364.45 and 2,656.66 is: 3,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.31 : 8,364.45 = 2,656.66 : x
  2. Step 2: Convert to fraction form
    5,576.31/8,364.45 = 2,656.66/x
  3. Step 3: Cross multiply
    5,576.31x = 8,364.45 × 2,656.66
  4. Step 4: Simplify right side
    5,576.31x = 22,221,499.74
  5. Step 5: Solve for x
    x = 22,221,499.74/5,576.31
  6. Step 6: Final answer
    x = 3,984.98

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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.