Home / 8,112.06-12,166.47-2,916.18

Finding the Fourth Proportional to 8,112.06, 12,166.47 and 2,916.18

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Solution

The fourth proportional to 8,112.06, 12,166.47 and 2,916.18 is: 4,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.06 : 12,166.47 = 2,916.18 : x
  2. Step 2: Convert to fraction form
    8,112.06/12,166.47 = 2,916.18/x
  3. Step 3: Cross multiply
    8,112.06x = 12,166.47 × 2,916.18
  4. Step 4: Simplify right side
    8,112.06x = 35,479,616.48
  5. Step 5: Solve for x
    x = 35,479,616.48/8,112.06
  6. Step 6: Final answer
    x = 4,373.69

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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.