Home / 4,376.80-6,563.28-1,779.04

Finding the Fourth Proportional to 4,376.80, 6,563.28 and 1,779.04

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Solution

The fourth proportional to 4,376.80, 6,563.28 and 1,779.04 is: 2,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.80 : 6,563.28 = 1,779.04 : x
  2. Step 2: Convert to fraction form
    4,376.80/6,563.28 = 1,779.04/x
  3. Step 3: Cross multiply
    4,376.80x = 6,563.28 × 1,779.04
  4. Step 4: Simplify right side
    4,376.80x = 11,676,337.65
  5. Step 5: Solve for x
    x = 11,676,337.65/4,376.80
  6. Step 6: Final answer
    x = 2,667.78

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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.