Home / 4,243.38-6,354.09-2,931.18

Finding the Fourth Proportional to 4,243.38, 6,354.09 and 2,931.18

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Solution

The fourth proportional to 4,243.38, 6,354.09 and 2,931.18 is: 4,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.38 : 6,354.09 = 2,931.18 : x
  2. Step 2: Convert to fraction form
    4,243.38/6,354.09 = 2,931.18/x
  3. Step 3: Cross multiply
    4,243.38x = 6,354.09 × 2,931.18
  4. Step 4: Simplify right side
    4,243.38x = 18,624,981.53
  5. Step 5: Solve for x
    x = 18,624,981.53/4,243.38
  6. Step 6: Final answer
    x = 4,389.19

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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.