Home / 4,981.12-6,871.71-3,212.08

Finding the Fourth Proportional to 4,981.12, 6,871.71 and 3,212.08

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Solution

The fourth proportional to 4,981.12, 6,871.71 and 3,212.08 is: 4,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.12 : 6,871.71 = 3,212.08 : x
  2. Step 2: Convert to fraction form
    4,981.12/6,871.71 = 3,212.08/x
  3. Step 3: Cross multiply
    4,981.12x = 6,871.71 × 3,212.08
  4. Step 4: Simplify right side
    4,981.12x = 22,072,482.26
  5. Step 5: Solve for x
    x = 22,072,482.26/4,981.12
  6. Step 6: Final answer
    x = 4,431.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.