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Finding the Fourth Proportional to 6,516.44, 9,775.16 and 2,620.88

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Solution

The fourth proportional to 6,516.44, 9,775.16 and 2,620.88 is: 3,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.44 : 9,775.16 = 2,620.88 : x
  2. Step 2: Convert to fraction form
    6,516.44/9,775.16 = 2,620.88/x
  3. Step 3: Cross multiply
    6,516.44x = 9,775.16 × 2,620.88
  4. Step 4: Simplify right side
    6,516.44x = 25,619,521.34
  5. Step 5: Solve for x
    x = 25,619,521.34/6,516.44
  6. Step 6: Final answer
    x = 3,931.52

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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.