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Finding the Fourth Proportional to 6,888.36, 10,375.05 and 6,289.08

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Solution

The fourth proportional to 6,888.36, 10,375.05 and 6,289.08 is: 9,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.36 : 10,375.05 = 6,289.08 : x
  2. Step 2: Convert to fraction form
    6,888.36/10,375.05 = 6,289.08/x
  3. Step 3: Cross multiply
    6,888.36x = 10,375.05 × 6,289.08
  4. Step 4: Simplify right side
    6,888.36x = 65,249,519.45
  5. Step 5: Solve for x
    x = 65,249,519.45/6,888.36
  6. Step 6: Final answer
    x = 9,472.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.