Home / 5,177.00-7,143.31-3,053.20

Finding the Fourth Proportional to 5,177.00, 7,143.31 and 3,053.20

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Solution

The fourth proportional to 5,177.00, 7,143.31 and 3,053.20 is: 4,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.00 : 7,143.31 = 3,053.20 : x
  2. Step 2: Convert to fraction form
    5,177.00/7,143.31 = 3,053.20/x
  3. Step 3: Cross multiply
    5,177.00x = 7,143.31 × 3,053.20
  4. Step 4: Simplify right side
    5,177.00x = 21,809,928.60
  5. Step 5: Solve for x
    x = 21,809,928.60/5,177.00
  6. Step 6: Final answer
    x = 4,212.85

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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.