Home / 5,171.40-7,752.56-2,053.58

Finding the Fourth Proportional to 5,171.40, 7,752.56 and 2,053.58

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Solution

The fourth proportional to 5,171.40, 7,752.56 and 2,053.58 is: 3,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.40 : 7,752.56 = 2,053.58 : x
  2. Step 2: Convert to fraction form
    5,171.40/7,752.56 = 2,053.58/x
  3. Step 3: Cross multiply
    5,171.40x = 7,752.56 × 2,053.58
  4. Step 4: Simplify right side
    5,171.40x = 15,920,453.13
  5. Step 5: Solve for x
    x = 15,920,453.13/5,171.40
  6. Step 6: Final answer
    x = 3,078.56

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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.