Home / 4,376.76-6,565.14-1,779.90

Finding the Fourth Proportional to 4,376.76, 6,565.14 and 1,779.90

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Solution

The fourth proportional to 4,376.76, 6,565.14 and 1,779.90 is: 2,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.76 : 6,565.14 = 1,779.90 : x
  2. Step 2: Convert to fraction form
    4,376.76/6,565.14 = 1,779.90/x
  3. Step 3: Cross multiply
    4,376.76x = 6,565.14 × 1,779.90
  4. Step 4: Simplify right side
    4,376.76x = 11,685,292.69
  5. Step 5: Solve for x
    x = 11,685,292.69/4,376.76
  6. Step 6: Final answer
    x = 2,669.85

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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.