Home / 4,267.15-6,389.79-2,969.53

Finding the Fourth Proportional to 4,267.15, 6,389.79 and 2,969.53

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Solution

The fourth proportional to 4,267.15, 6,389.79 and 2,969.53 is: 4,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.15 : 6,389.79 = 2,969.53 : x
  2. Step 2: Convert to fraction form
    4,267.15/6,389.79 = 2,969.53/x
  3. Step 3: Cross multiply
    4,267.15x = 6,389.79 × 2,969.53
  4. Step 4: Simplify right side
    4,267.15x = 18,974,673.10
  5. Step 5: Solve for x
    x = 18,974,673.10/4,267.15
  6. Step 6: Final answer
    x = 4,446.69

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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.