Home / 5,078.88-7,618.44-1,747.36

Finding the Fourth Proportional to 5,078.88, 7,618.44 and 1,747.36

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Solution

The fourth proportional to 5,078.88, 7,618.44 and 1,747.36 is: 2,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.88 : 7,618.44 = 1,747.36 : x
  2. Step 2: Convert to fraction form
    5,078.88/7,618.44 = 1,747.36/x
  3. Step 3: Cross multiply
    5,078.88x = 7,618.44 × 1,747.36
  4. Step 4: Simplify right side
    5,078.88x = 13,312,157.32
  5. Step 5: Solve for x
    x = 13,312,157.32/5,078.88
  6. Step 6: Final answer
    x = 2,621.08

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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.