Home / 5,171.52-7,758.48-1,708.56

Finding the Fourth Proportional to 5,171.52, 7,758.48 and 1,708.56

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Solution

The fourth proportional to 5,171.52, 7,758.48 and 1,708.56 is: 2,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.52 : 7,758.48 = 1,708.56 : x
  2. Step 2: Convert to fraction form
    5,171.52/7,758.48 = 1,708.56/x
  3. Step 3: Cross multiply
    5,171.52x = 7,758.48 × 1,708.56
  4. Step 4: Simplify right side
    5,171.52x = 13,255,828.59
  5. Step 5: Solve for x
    x = 13,255,828.59/5,171.52
  6. Step 6: Final answer
    x = 2,563.24

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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.