Home / 4,277.52-6,421.12-2,872.96

Finding the Fourth Proportional to 4,277.52, 6,421.12 and 2,872.96

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Solution

The fourth proportional to 4,277.52, 6,421.12 and 2,872.96 is: 4,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.52 : 6,421.12 = 2,872.96 : x
  2. Step 2: Convert to fraction form
    4,277.52/6,421.12 = 2,872.96/x
  3. Step 3: Cross multiply
    4,277.52x = 6,421.12 × 2,872.96
  4. Step 4: Simplify right side
    4,277.52x = 18,447,620.92
  5. Step 5: Solve for x
    x = 18,447,620.92/4,277.52
  6. Step 6: Final answer
    x = 4,312.69

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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.