Home / 4,392.40-6,581.30-3,091.14

Finding the Fourth Proportional to 4,392.40, 6,581.30 and 3,091.14

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Solution

The fourth proportional to 4,392.40, 6,581.30 and 3,091.14 is: 4,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.40 : 6,581.30 = 3,091.14 : x
  2. Step 2: Convert to fraction form
    4,392.40/6,581.30 = 3,091.14/x
  3. Step 3: Cross multiply
    4,392.40x = 6,581.30 × 3,091.14
  4. Step 4: Simplify right side
    4,392.40x = 20,343,719.68
  5. Step 5: Solve for x
    x = 20,343,719.68/4,392.40
  6. Step 6: Final answer
    x = 4,631.57

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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.