Home / 4,257.48-6,386.88-2,176.35

Finding the Fourth Proportional to 4,257.48, 6,386.88 and 2,176.35

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Solution

The fourth proportional to 4,257.48, 6,386.88 and 2,176.35 is: 3,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.48 : 6,386.88 = 2,176.35 : x
  2. Step 2: Convert to fraction form
    4,257.48/6,386.88 = 2,176.35/x
  3. Step 3: Cross multiply
    4,257.48x = 6,386.88 × 2,176.35
  4. Step 4: Simplify right side
    4,257.48x = 13,900,086.29
  5. Step 5: Solve for x
    x = 13,900,086.29/4,257.48
  6. Step 6: Final answer
    x = 3,264.86

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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.