Home / 5,153.74-7,112.21-2,795.87

Finding the Fourth Proportional to 5,153.74, 7,112.21 and 2,795.87

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Solution

The fourth proportional to 5,153.74, 7,112.21 and 2,795.87 is: 3,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.74 : 7,112.21 = 2,795.87 : x
  2. Step 2: Convert to fraction form
    5,153.74/7,112.21 = 2,795.87/x
  3. Step 3: Cross multiply
    5,153.74x = 7,112.21 × 2,795.87
  4. Step 4: Simplify right side
    5,153.74x = 19,884,814.57
  5. Step 5: Solve for x
    x = 19,884,814.57/5,153.74
  6. Step 6: Final answer
    x = 3,858.33

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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.