Home / 4,378.87-6,042.63-2,389.31

Finding the Fourth Proportional to 4,378.87, 6,042.63 and 2,389.31

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Solution

The fourth proportional to 4,378.87, 6,042.63 and 2,389.31 is: 3,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.87 : 6,042.63 = 2,389.31 : x
  2. Step 2: Convert to fraction form
    4,378.87/6,042.63 = 2,389.31/x
  3. Step 3: Cross multiply
    4,378.87x = 6,042.63 × 2,389.31
  4. Step 4: Simplify right side
    4,378.87x = 14,437,716.29
  5. Step 5: Solve for x
    x = 14,437,716.29/4,378.87
  6. Step 6: Final answer
    x = 3,297.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.