Home / 4,520.08-6,778.16-2,647.98

Finding the Fourth Proportional to 4,520.08, 6,778.16 and 2,647.98

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Solution

The fourth proportional to 4,520.08, 6,778.16 and 2,647.98 is: 3,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.08 : 6,778.16 = 2,647.98 : x
  2. Step 2: Convert to fraction form
    4,520.08/6,778.16 = 2,647.98/x
  3. Step 3: Cross multiply
    4,520.08x = 6,778.16 × 2,647.98
  4. Step 4: Simplify right side
    4,520.08x = 17,948,428.58
  5. Step 5: Solve for x
    x = 17,948,428.58/4,520.08
  6. Step 6: Final answer
    x = 3,970.82

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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.