Home / 8,216.79-12,305.43-4,696.13

Finding the Fourth Proportional to 8,216.79, 12,305.43 and 4,696.13

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Solution

The fourth proportional to 8,216.79, 12,305.43 and 4,696.13 is: 7,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.79 : 12,305.43 = 4,696.13 : x
  2. Step 2: Convert to fraction form
    8,216.79/12,305.43 = 4,696.13/x
  3. Step 3: Cross multiply
    8,216.79x = 12,305.43 × 4,696.13
  4. Step 4: Simplify right side
    8,216.79x = 57,787,837.46
  5. Step 5: Solve for x
    x = 57,787,837.46/8,216.79
  6. Step 6: Final answer
    x = 7,032.90

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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.