Home / 5,116.45-7,673.92-1,418.30

Finding the Fourth Proportional to 5,116.45, 7,673.92 and 1,418.30

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Solution

The fourth proportional to 5,116.45, 7,673.92 and 1,418.30 is: 2,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.45 : 7,673.92 = 1,418.30 : x
  2. Step 2: Convert to fraction form
    5,116.45/7,673.92 = 1,418.30/x
  3. Step 3: Cross multiply
    5,116.45x = 7,673.92 × 1,418.30
  4. Step 4: Simplify right side
    5,116.45x = 10,883,920.74
  5. Step 5: Solve for x
    x = 10,883,920.74/5,116.45
  6. Step 6: Final answer
    x = 2,127.24

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1.5x scale

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.