Home / 4,178.26-6,264.96-1,581.40

Finding the Fourth Proportional to 4,178.26, 6,264.96 and 1,581.40

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Solution

The fourth proportional to 4,178.26, 6,264.96 and 1,581.40 is: 2,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.26 : 6,264.96 = 1,581.40 : x
  2. Step 2: Convert to fraction form
    4,178.26/6,264.96 = 1,581.40/x
  3. Step 3: Cross multiply
    4,178.26x = 6,264.96 × 1,581.40
  4. Step 4: Simplify right side
    4,178.26x = 9,907,407.74
  5. Step 5: Solve for x
    x = 9,907,407.74/4,178.26
  6. Step 6: Final answer
    x = 2,371.18

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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.