Home / 5,153.68-7,112.08-2,795.84

Finding the Fourth Proportional to 5,153.68, 7,112.08 and 2,795.84

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Solution

The fourth proportional to 5,153.68, 7,112.08 and 2,795.84 is: 3,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.68 : 7,112.08 = 2,795.84 : x
  2. Step 2: Convert to fraction form
    5,153.68/7,112.08 = 2,795.84/x
  3. Step 3: Cross multiply
    5,153.68x = 7,112.08 × 2,795.84
  4. Step 4: Simplify right side
    5,153.68x = 19,884,237.75
  5. Step 5: Solve for x
    x = 19,884,237.75/5,153.68
  6. Step 6: Final answer
    x = 3,858.26

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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.