Home / 4,872.15-7,307.62-2,239.85

Finding the Fourth Proportional to 4,872.15, 7,307.62 and 2,239.85

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Solution

The fourth proportional to 4,872.15, 7,307.62 and 2,239.85 is: 3,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.15 : 7,307.62 = 2,239.85 : x
  2. Step 2: Convert to fraction form
    4,872.15/7,307.62 = 2,239.85/x
  3. Step 3: Cross multiply
    4,872.15x = 7,307.62 × 2,239.85
  4. Step 4: Simplify right side
    4,872.15x = 16,367,985.33
  5. Step 5: Solve for x
    x = 16,367,985.33/4,872.15
  6. Step 6: Final answer
    x = 3,359.50

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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.