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Finding the Fourth Proportional to 6,860.07, 9,467.07 and 3,875.93

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Solution

The fourth proportional to 6,860.07, 9,467.07 and 3,875.93 is: 5,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.07 : 9,467.07 = 3,875.93 : x
  2. Step 2: Convert to fraction form
    6,860.07/9,467.07 = 3,875.93/x
  3. Step 3: Cross multiply
    6,860.07x = 9,467.07 × 3,875.93
  4. Step 4: Simplify right side
    6,860.07x = 36,693,653.29
  5. Step 5: Solve for x
    x = 36,693,653.29/6,860.07
  6. Step 6: Final answer
    x = 5,348.87

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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.