Home / 8,731.92-13,087.47-6,085.09

Finding the Fourth Proportional to 8,731.92, 13,087.47 and 6,085.09

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Solution

The fourth proportional to 8,731.92, 13,087.47 and 6,085.09 is: 9,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.92 : 13,087.47 = 6,085.09 : x
  2. Step 2: Convert to fraction form
    8,731.92/13,087.47 = 6,085.09/x
  3. Step 3: Cross multiply
    8,731.92x = 13,087.47 × 6,085.09
  4. Step 4: Simplify right side
    8,731.92x = 79,638,432.82
  5. Step 5: Solve for x
    x = 79,638,432.82/8,731.92
  6. Step 6: Final answer
    x = 9,120.38

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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.