Home / 6,857.58-10,287.98-3,569.92

Finding the Fourth Proportional to 6,857.58, 10,287.98 and 3,569.92

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Solution

The fourth proportional to 6,857.58, 10,287.98 and 3,569.92 is: 5,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.58 : 10,287.98 = 3,569.92 : x
  2. Step 2: Convert to fraction form
    6,857.58/10,287.98 = 3,569.92/x
  3. Step 3: Cross multiply
    6,857.58x = 10,287.98 × 3,569.92
  4. Step 4: Simplify right side
    6,857.58x = 36,727,265.56
  5. Step 5: Solve for x
    x = 36,727,265.56/6,857.58
  6. Step 6: Final answer
    x = 5,355.72

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1.5x scale

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.