Home / 8,171.82-12,275.95-5,054.12

Finding the Fourth Proportional to 8,171.82, 12,275.95 and 5,054.12

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Solution

The fourth proportional to 8,171.82, 12,275.95 and 5,054.12 is: 7,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.82 : 12,275.95 = 5,054.12 : x
  2. Step 2: Convert to fraction form
    8,171.82/12,275.95 = 5,054.12/x
  3. Step 3: Cross multiply
    8,171.82x = 12,275.95 × 5,054.12
  4. Step 4: Simplify right side
    8,171.82x = 62,044,124.41
  5. Step 5: Solve for x
    x = 62,044,124.41/8,171.82
  6. Step 6: Final answer
    x = 7,592.45

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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.