Home / 5,672.22-7,827.48-3,154.20

Finding the Fourth Proportional to 5,672.22, 7,827.48 and 3,154.20

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Solution

The fourth proportional to 5,672.22, 7,827.48 and 3,154.20 is: 4,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.22 : 7,827.48 = 3,154.20 : x
  2. Step 2: Convert to fraction form
    5,672.22/7,827.48 = 3,154.20/x
  3. Step 3: Cross multiply
    5,672.22x = 7,827.48 × 3,154.20
  4. Step 4: Simplify right side
    5,672.22x = 24,689,437.42
  5. Step 5: Solve for x
    x = 24,689,437.42/5,672.22
  6. Step 6: Final answer
    x = 4,352.69

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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.