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Finding the Fourth Proportional to 6,466.70, 9,697.62 and 2,769.30

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Solution

The fourth proportional to 6,466.70, 9,697.62 and 2,769.30 is: 4,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466.70 : 9,697.62 = 2,769.30 : x
  2. Step 2: Convert to fraction form
    6,466.70/9,697.62 = 2,769.30/x
  3. Step 3: Cross multiply
    6,466.70x = 9,697.62 × 2,769.30
  4. Step 4: Simplify right side
    6,466.70x = 26,855,619.07
  5. Step 5: Solve for x
    x = 26,855,619.07/6,466.70
  6. Step 6: Final answer
    x = 4,152.91

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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.