Home / 4,254.95-6,376.19-2,143.69

Finding the Fourth Proportional to 4,254.95, 6,376.19 and 2,143.69

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Solution

The fourth proportional to 4,254.95, 6,376.19 and 2,143.69 is: 3,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.95 : 6,376.19 = 2,143.69 : x
  2. Step 2: Convert to fraction form
    4,254.95/6,376.19 = 2,143.69/x
  3. Step 3: Cross multiply
    4,254.95x = 6,376.19 × 2,143.69
  4. Step 4: Simplify right side
    4,254.95x = 13,668,548.08
  5. Step 5: Solve for x
    x = 13,668,548.08/4,254.95
  6. Step 6: Final answer
    x = 3,212.39

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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.