Home / 6,467.20-9,701.70-2,769.40

Finding the Fourth Proportional to 6,467.20, 9,701.70 and 2,769.40

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Solution

The fourth proportional to 6,467.20, 9,701.70 and 2,769.40 is: 4,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.20 : 9,701.70 = 2,769.40 : x
  2. Step 2: Convert to fraction form
    6,467.20/9,701.70 = 2,769.40/x
  3. Step 3: Cross multiply
    6,467.20x = 9,701.70 × 2,769.40
  4. Step 4: Simplify right side
    6,467.20x = 26,867,887.98
  5. Step 5: Solve for x
    x = 26,867,887.98/6,467.20
  6. Step 6: Final answer
    x = 4,154.49

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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.