Home / 4,212.20-6,318.99-1,873.01

Finding the Fourth Proportional to 4,212.20, 6,318.99 and 1,873.01

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Solution

The fourth proportional to 4,212.20, 6,318.99 and 1,873.01 is: 2,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.20 : 6,318.99 = 1,873.01 : x
  2. Step 2: Convert to fraction form
    4,212.20/6,318.99 = 1,873.01/x
  3. Step 3: Cross multiply
    4,212.20x = 6,318.99 × 1,873.01
  4. Step 4: Simplify right side
    4,212.20x = 11,835,547.26
  5. Step 5: Solve for x
    x = 11,835,547.26/4,212.20
  6. Step 6: Final answer
    x = 2,809.82

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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.