Home / 6,857.12-10,291.44-5,497.76

Finding the Fourth Proportional to 6,857.12, 10,291.44 and 5,497.76

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Solution

The fourth proportional to 6,857.12, 10,291.44 and 5,497.76 is: 8,251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.12 : 10,291.44 = 5,497.76 : x
  2. Step 2: Convert to fraction form
    6,857.12/10,291.44 = 5,497.76/x
  3. Step 3: Cross multiply
    6,857.12x = 10,291.44 × 5,497.76
  4. Step 4: Simplify right side
    6,857.12x = 56,579,867.17
  5. Step 5: Solve for x
    x = 56,579,867.17/6,857.12
  6. Step 6: Final answer
    x = 8,251.26

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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.