Home / 4,187.65-6,278.23-2,429.95

Finding the Fourth Proportional to 4,187.65, 6,278.23 and 2,429.95

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Solution

The fourth proportional to 4,187.65, 6,278.23 and 2,429.95 is: 3,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.65 : 6,278.23 = 2,429.95 : x
  2. Step 2: Convert to fraction form
    4,187.65/6,278.23 = 2,429.95/x
  3. Step 3: Cross multiply
    4,187.65x = 6,278.23 × 2,429.95
  4. Step 4: Simplify right side
    4,187.65x = 15,255,784.99
  5. Step 5: Solve for x
    x = 15,255,784.99/4,187.65
  6. Step 6: Final answer
    x = 3,643.04

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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.