Home / 4,237.31-6,356.68-1,315.04

Finding the Fourth Proportional to 4,237.31, 6,356.68 and 1,315.04

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Solution

The fourth proportional to 4,237.31, 6,356.68 and 1,315.04 is: 1,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.31 : 6,356.68 = 1,315.04 : x
  2. Step 2: Convert to fraction form
    4,237.31/6,356.68 = 1,315.04/x
  3. Step 3: Cross multiply
    4,237.31x = 6,356.68 × 1,315.04
  4. Step 4: Simplify right side
    4,237.31x = 8,359,253.40
  5. Step 5: Solve for x
    x = 8,359,253.40/4,237.31
  6. Step 6: Final answer
    x = 1,972.77

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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.