Home / 8,150.33-11,254.35-5,171.45

Finding the Fourth Proportional to 8,150.33, 11,254.35 and 5,171.45

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Solution

The fourth proportional to 8,150.33, 11,254.35 and 5,171.45 is: 7,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.33 : 11,254.35 = 5,171.45 : x
  2. Step 2: Convert to fraction form
    8,150.33/11,254.35 = 5,171.45/x
  3. Step 3: Cross multiply
    8,150.33x = 11,254.35 × 5,171.45
  4. Step 4: Simplify right side
    8,150.33x = 58,201,308.31
  5. Step 5: Solve for x
    x = 58,201,308.31/8,150.33
  6. Step 6: Final answer
    x = 7,140.98

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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.