Home / 5,576.65-7,695.51-3,219.55

Finding the Fourth Proportional to 5,576.65, 7,695.51 and 3,219.55

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Solution

The fourth proportional to 5,576.65, 7,695.51 and 3,219.55 is: 4,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.65 : 7,695.51 = 3,219.55 : x
  2. Step 2: Convert to fraction form
    5,576.65/7,695.51 = 3,219.55/x
  3. Step 3: Cross multiply
    5,576.65x = 7,695.51 × 3,219.55
  4. Step 4: Simplify right side
    5,576.65x = 24,776,047.91
  5. Step 5: Solve for x
    x = 24,776,047.91/5,576.65
  6. Step 6: Final answer
    x = 4,442.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.