Home / 5,472.21-8,207.51-1,774.76

Finding the Fourth Proportional to 5,472.21, 8,207.51 and 1,774.76

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Solution

The fourth proportional to 5,472.21, 8,207.51 and 1,774.76 is: 2,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.21 : 8,207.51 = 1,774.76 : x
  2. Step 2: Convert to fraction form
    5,472.21/8,207.51 = 1,774.76/x
  3. Step 3: Cross multiply
    5,472.21x = 8,207.51 × 1,774.76
  4. Step 4: Simplify right side
    5,472.21x = 14,566,310.54
  5. Step 5: Solve for x
    x = 14,566,310.54/5,472.21
  6. Step 6: Final answer
    x = 2,661.87

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1.5x scale

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.