Home / 8,526.97-11,768.74-5,171.45

Finding the Fourth Proportional to 8,526.97, 11,768.74 and 5,171.45

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Solution

The fourth proportional to 8,526.97, 11,768.74 and 5,171.45 is: 7,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.97 : 11,768.74 = 5,171.45 : x
  2. Step 2: Convert to fraction form
    8,526.97/11,768.74 = 5,171.45/x
  3. Step 3: Cross multiply
    8,526.97x = 11,768.74 × 5,171.45
  4. Step 4: Simplify right side
    8,526.97x = 60,861,407.79
  5. Step 5: Solve for x
    x = 60,861,407.79/8,526.97
  6. Step 6: Final answer
    x = 7,137.52

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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.