Home / 8,053.29-12,081.60-3,122.91

Finding the Fourth Proportional to 8,053.29, 12,081.60 and 3,122.91

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Solution

The fourth proportional to 8,053.29, 12,081.60 and 3,122.91 is: 4,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.29 : 12,081.60 = 3,122.91 : x
  2. Step 2: Convert to fraction form
    8,053.29/12,081.60 = 3,122.91/x
  3. Step 3: Cross multiply
    8,053.29x = 12,081.60 × 3,122.91
  4. Step 4: Simplify right side
    8,053.29x = 37,729,749.46
  5. Step 5: Solve for x
    x = 37,729,749.46/8,053.29
  6. Step 6: Final answer
    x = 4,685.01

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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.