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Finding the Fourth Proportional to 6,859.88, 9,467.03 and 3,875.63

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Solution

The fourth proportional to 6,859.88, 9,467.03 and 3,875.63 is: 5,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.88 : 9,467.03 = 3,875.63 : x
  2. Step 2: Convert to fraction form
    6,859.88/9,467.03 = 3,875.63/x
  3. Step 3: Cross multiply
    6,859.88x = 9,467.03 × 3,875.63
  4. Step 4: Simplify right side
    6,859.88x = 36,690,738.84
  5. Step 5: Solve for x
    x = 36,690,738.84/6,859.88
  6. Step 6: Final answer
    x = 5,348.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.