Home / 4,607.22-6,908.38-2,143.20

Finding the Fourth Proportional to 4,607.22, 6,908.38 and 2,143.20

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Solution

The fourth proportional to 4,607.22, 6,908.38 and 2,143.20 is: 3,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.22 : 6,908.38 = 2,143.20 : x
  2. Step 2: Convert to fraction form
    4,607.22/6,908.38 = 2,143.20/x
  3. Step 3: Cross multiply
    4,607.22x = 6,908.38 × 2,143.20
  4. Step 4: Simplify right side
    4,607.22x = 14,806,040.02
  5. Step 5: Solve for x
    x = 14,806,040.02/4,607.22
  6. Step 6: Final answer
    x = 3,213.66

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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.