Home / 4,233.10-6,338.70-4,128.60

Finding the Fourth Proportional to 4,233.10, 6,338.70 and 4,128.60

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Solution

The fourth proportional to 4,233.10, 6,338.70 and 4,128.60 is: 6,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.10 : 6,338.70 = 4,128.60 : x
  2. Step 2: Convert to fraction form
    4,233.10/6,338.70 = 4,128.60/x
  3. Step 3: Cross multiply
    4,233.10x = 6,338.70 × 4,128.60
  4. Step 4: Simplify right side
    4,233.10x = 26,169,956.82
  5. Step 5: Solve for x
    x = 26,169,956.82/4,233.10
  6. Step 6: Final answer
    x = 6,182.22

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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.