Home / 5,578.11-8,367.44-1,418.16

Finding the Fourth Proportional to 5,578.11, 8,367.44 and 1,418.16

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Solution

The fourth proportional to 5,578.11, 8,367.44 and 1,418.16 is: 2,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.11 : 8,367.44 = 1,418.16 : x
  2. Step 2: Convert to fraction form
    5,578.11/8,367.44 = 1,418.16/x
  3. Step 3: Cross multiply
    5,578.11x = 8,367.44 × 1,418.16
  4. Step 4: Simplify right side
    5,578.11x = 11,866,368.71
  5. Step 5: Solve for x
    x = 11,866,368.71/5,578.11
  6. Step 6: Final answer
    x = 2,127.31

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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.