Home / 6,859.65-9,467.79-3,875.61

Finding the Fourth Proportional to 6,859.65, 9,467.79 and 3,875.61

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Solution

The fourth proportional to 6,859.65, 9,467.79 and 3,875.61 is: 5,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.65 : 9,467.79 = 3,875.61 : x
  2. Step 2: Convert to fraction form
    6,859.65/9,467.79 = 3,875.61/x
  3. Step 3: Cross multiply
    6,859.65x = 9,467.79 × 3,875.61
  4. Step 4: Simplify right side
    6,859.65x = 36,693,461.60
  5. Step 5: Solve for x
    x = 36,693,461.60/6,859.65
  6. Step 6: Final answer
    x = 5,349.17

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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.