Home / 6,557.28-9,838.40-2,662.72

Finding the Fourth Proportional to 6,557.28, 9,838.40 and 2,662.72

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Solution

The fourth proportional to 6,557.28, 9,838.40 and 2,662.72 is: 3,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.28 : 9,838.40 = 2,662.72 : x
  2. Step 2: Convert to fraction form
    6,557.28/9,838.40 = 2,662.72/x
  3. Step 3: Cross multiply
    6,557.28x = 9,838.40 × 2,662.72
  4. Step 4: Simplify right side
    6,557.28x = 26,196,904.45
  5. Step 5: Solve for x
    x = 26,196,904.45/6,557.28
  6. Step 6: Final answer
    x = 3,995.09

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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.