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Finding the Fourth Proportional to 6,557.28, 9,836.10 and 1,626.84

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Solution

The fourth proportional to 6,557.28, 9,836.10 and 1,626.84 is: 2,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.28 : 9,836.10 = 1,626.84 : x
  2. Step 2: Convert to fraction form
    6,557.28/9,836.10 = 1,626.84/x
  3. Step 3: Cross multiply
    6,557.28x = 9,836.10 × 1,626.84
  4. Step 4: Simplify right side
    6,557.28x = 16,001,760.92
  5. Step 5: Solve for x
    x = 16,001,760.92/6,557.28
  6. Step 6: Final answer
    x = 2,440.30

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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.