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Finding the Fourth Proportional to 6,880.87, 10,324.95 and 2,988.01

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Solution

The fourth proportional to 6,880.87, 10,324.95 and 2,988.01 is: 4,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.87 : 10,324.95 = 2,988.01 : x
  2. Step 2: Convert to fraction form
    6,880.87/10,324.95 = 2,988.01/x
  3. Step 3: Cross multiply
    6,880.87x = 10,324.95 × 2,988.01
  4. Step 4: Simplify right side
    6,880.87x = 30,851,053.85
  5. Step 5: Solve for x
    x = 30,851,053.85/6,880.87
  6. Step 6: Final answer
    x = 4,483.60

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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.