Home / 5,146.08-7,101.54-2,788.18

Finding the Fourth Proportional to 5,146.08, 7,101.54 and 2,788.18

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Solution

The fourth proportional to 5,146.08, 7,101.54 and 2,788.18 is: 3,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.08 : 7,101.54 = 2,788.18 : x
  2. Step 2: Convert to fraction form
    5,146.08/7,101.54 = 2,788.18/x
  3. Step 3: Cross multiply
    5,146.08x = 7,101.54 × 2,788.18
  4. Step 4: Simplify right side
    5,146.08x = 19,800,371.80
  5. Step 5: Solve for x
    x = 19,800,371.80/5,146.08
  6. Step 6: Final answer
    x = 3,847.66

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1.5x scale

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.