Home / 5,780.19-8,672.04-2,319.87

Finding the Fourth Proportional to 5,780.19, 8,672.04 and 2,319.87

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Solution

The fourth proportional to 5,780.19, 8,672.04 and 2,319.87 is: 3,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.19 : 8,672.04 = 2,319.87 : x
  2. Step 2: Convert to fraction form
    5,780.19/8,672.04 = 2,319.87/x
  3. Step 3: Cross multiply
    5,780.19x = 8,672.04 × 2,319.87
  4. Step 4: Simplify right side
    5,780.19x = 20,118,005.43
  5. Step 5: Solve for x
    x = 20,118,005.43/5,780.19
  6. Step 6: Final answer
    x = 3,480.51

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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.