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Finding the Fourth Proportional to 6,951.36, 10,428 and 2,335.68

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Solution

The fourth proportional to 6,951.36, 10,428 and 2,335.68 is: 3,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.36 : 10,428 = 2,335.68 : x
  2. Step 2: Convert to fraction form
    6,951.36/10,428 = 2,335.68/x
  3. Step 3: Cross multiply
    6,951.36x = 10,428 × 2,335.68
  4. Step 4: Simplify right side
    6,951.36x = 24,356,471.04
  5. Step 5: Solve for x
    x = 24,356,471.04/6,951.36
  6. Step 6: Final answer
    x = 3,503.84

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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.