Home / 4,381.02-6,568.44-2,188.20

Finding the Fourth Proportional to 4,381.02, 6,568.44 and 2,188.20

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Solution

The fourth proportional to 4,381.02, 6,568.44 and 2,188.20 is: 3,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.02 : 6,568.44 = 2,188.20 : x
  2. Step 2: Convert to fraction form
    4,381.02/6,568.44 = 2,188.20/x
  3. Step 3: Cross multiply
    4,381.02x = 6,568.44 × 2,188.20
  4. Step 4: Simplify right side
    4,381.02x = 14,373,060.41
  5. Step 5: Solve for x
    x = 14,373,060.41/4,381.02
  6. Step 6: Final answer
    x = 3,280.76

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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.