Home / 4,769.10-7,133.40-4,279.05

Finding the Fourth Proportional to 4,769.10, 7,133.40 and 4,279.05

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Solution

The fourth proportional to 4,769.10, 7,133.40 and 4,279.05 is: 6,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.10 : 7,133.40 = 4,279.05 : x
  2. Step 2: Convert to fraction form
    4,769.10/7,133.40 = 4,279.05/x
  3. Step 3: Cross multiply
    4,769.10x = 7,133.40 × 4,279.05
  4. Step 4: Simplify right side
    4,769.10x = 30,524,175.27
  5. Step 5: Solve for x
    x = 30,524,175.27/4,769.10
  6. Step 6: Final answer
    x = 6,400.41

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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.