Home / 4,212.90-6,307.20-2,572.65

Finding the Fourth Proportional to 4,212.90, 6,307.20 and 2,572.65

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Solution

The fourth proportional to 4,212.90, 6,307.20 and 2,572.65 is: 3,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.90 : 6,307.20 = 2,572.65 : x
  2. Step 2: Convert to fraction form
    4,212.90/6,307.20 = 2,572.65/x
  3. Step 3: Cross multiply
    4,212.90x = 6,307.20 × 2,572.65
  4. Step 4: Simplify right side
    4,212.90x = 16,226,218.08
  5. Step 5: Solve for x
    x = 16,226,218.08/4,212.90
  6. Step 6: Final answer
    x = 3,851.56

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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.