Home / 6,935.52-10,403.28-2,005.20

Finding the Fourth Proportional to 6,935.52, 10,403.28 and 2,005.20

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Solution

The fourth proportional to 6,935.52, 10,403.28 and 2,005.20 is: 3,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.52 : 10,403.28 = 2,005.20 : x
  2. Step 2: Convert to fraction form
    6,935.52/10,403.28 = 2,005.20/x
  3. Step 3: Cross multiply
    6,935.52x = 10,403.28 × 2,005.20
  4. Step 4: Simplify right side
    6,935.52x = 20,860,657.06
  5. Step 5: Solve for x
    x = 20,860,657.06/6,935.52
  6. Step 6: Final answer
    x = 3,007.80

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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.