Home / 4,350.66-6,520.40-1,977

Finding the Fourth Proportional to 4,350.66, 6,520.40 and 1,977

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Solution

The fourth proportional to 4,350.66, 6,520.40 and 1,977 is: 2,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,350.66 : 6,520.40 = 1,977 : x
  2. Step 2: Convert to fraction form
    4,350.66/6,520.40 = 1,977/x
  3. Step 3: Cross multiply
    4,350.66x = 6,520.40 × 1,977
  4. Step 4: Simplify right side
    4,350.66x = 12,890,820.92
  5. Step 5: Solve for x
    x = 12,890,820.92/4,350.66
  6. Step 6: Final answer
    x = 2,962.96

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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.