Home / 6,963.15-10,420.32-4,990.95

Finding the Fourth Proportional to 6,963.15, 10,420.32 and 4,990.95

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Solution

The fourth proportional to 6,963.15, 10,420.32 and 4,990.95 is: 7,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,963.15 : 10,420.32 = 4,990.95 : x
  2. Step 2: Convert to fraction form
    6,963.15/10,420.32 = 4,990.95/x
  3. Step 3: Cross multiply
    6,963.15x = 10,420.32 × 4,990.95
  4. Step 4: Simplify right side
    6,963.15x = 52,007,296.10
  5. Step 5: Solve for x
    x = 52,007,296.10/6,963.15
  6. Step 6: Final answer
    x = 7,468.93

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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.