Home / 4,381.79-6,568.47-2,188.44

Finding the Fourth Proportional to 4,381.79, 6,568.47 and 2,188.44

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Solution

The fourth proportional to 4,381.79, 6,568.47 and 2,188.44 is: 3,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.79 : 6,568.47 = 2,188.44 : x
  2. Step 2: Convert to fraction form
    4,381.79/6,568.47 = 2,188.44/x
  3. Step 3: Cross multiply
    4,381.79x = 6,568.47 × 2,188.44
  4. Step 4: Simplify right side
    4,381.79x = 14,374,702.49
  5. Step 5: Solve for x
    x = 14,374,702.49/4,381.79
  6. Step 6: Final answer
    x = 3,280.56

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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.