Home / 4,095.60-6,143.40-3,721.20

Finding the Fourth Proportional to 4,095.60, 6,143.40 and 3,721.20

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Solution

The fourth proportional to 4,095.60, 6,143.40 and 3,721.20 is: 5,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.60 : 6,143.40 = 3,721.20 : x
  2. Step 2: Convert to fraction form
    4,095.60/6,143.40 = 3,721.20/x
  3. Step 3: Cross multiply
    4,095.60x = 6,143.40 × 3,721.20
  4. Step 4: Simplify right side
    4,095.60x = 22,860,820.08
  5. Step 5: Solve for x
    x = 22,860,820.08/4,095.60
  6. Step 6: Final answer
    x = 5,581.80

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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.