Home / 4,482.05-6,722.89-2,143.71

Finding the Fourth Proportional to 4,482.05, 6,722.89 and 2,143.71

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Solution

The fourth proportional to 4,482.05, 6,722.89 and 2,143.71 is: 3,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.05 : 6,722.89 = 2,143.71 : x
  2. Step 2: Convert to fraction form
    4,482.05/6,722.89 = 2,143.71/x
  3. Step 3: Cross multiply
    4,482.05x = 6,722.89 × 2,143.71
  4. Step 4: Simplify right side
    4,482.05x = 14,411,921.16
  5. Step 5: Solve for x
    x = 14,411,921.16/4,482.05
  6. Step 6: Final answer
    x = 3,215.47

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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.