Home / 4,257.19-6,386.46-2,176.09

Finding the Fourth Proportional to 4,257.19, 6,386.46 and 2,176.09

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Solution

The fourth proportional to 4,257.19, 6,386.46 and 2,176.09 is: 3,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.19 : 6,386.46 = 2,176.09 : x
  2. Step 2: Convert to fraction form
    4,257.19/6,386.46 = 2,176.09/x
  3. Step 3: Cross multiply
    4,257.19x = 6,386.46 × 2,176.09
  4. Step 4: Simplify right side
    4,257.19x = 13,897,511.74
  5. Step 5: Solve for x
    x = 13,897,511.74/4,257.19
  6. Step 6: Final answer
    x = 3,264.48

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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.