Home / 5,159.11-7,116.78-4,453.87

Finding the Fourth Proportional to 5,159.11, 7,116.78 and 4,453.87

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Solution

The fourth proportional to 5,159.11, 7,116.78 and 4,453.87 is: 6,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.11 : 7,116.78 = 4,453.87 : x
  2. Step 2: Convert to fraction form
    5,159.11/7,116.78 = 4,453.87/x
  3. Step 3: Cross multiply
    5,159.11x = 7,116.78 × 4,453.87
  4. Step 4: Simplify right side
    5,159.11x = 31,697,212.94
  5. Step 5: Solve for x
    x = 31,697,212.94/5,159.11
  6. Step 6: Final answer
    x = 6,143.93

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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.