Home / 4,377.06-6,565.05-1,780.02

Finding the Fourth Proportional to 4,377.06, 6,565.05 and 1,780.02

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Solution

The fourth proportional to 4,377.06, 6,565.05 and 1,780.02 is: 2,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.06 : 6,565.05 = 1,780.02 : x
  2. Step 2: Convert to fraction form
    4,377.06/6,565.05 = 1,780.02/x
  3. Step 3: Cross multiply
    4,377.06x = 6,565.05 × 1,780.02
  4. Step 4: Simplify right side
    4,377.06x = 11,685,920.30
  5. Step 5: Solve for x
    x = 11,685,920.30/4,377.06
  6. Step 6: Final answer
    x = 2,669.81

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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.