Home / 5,164.47-7,125.93-3,039.42

Finding the Fourth Proportional to 5,164.47, 7,125.93 and 3,039.42

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Solution

The fourth proportional to 5,164.47, 7,125.93 and 3,039.42 is: 4,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.47 : 7,125.93 = 3,039.42 : x
  2. Step 2: Convert to fraction form
    5,164.47/7,125.93 = 3,039.42/x
  3. Step 3: Cross multiply
    5,164.47x = 7,125.93 × 3,039.42
  4. Step 4: Simplify right side
    5,164.47x = 21,658,694.16
  5. Step 5: Solve for x
    x = 21,658,694.16/5,164.47
  6. Step 6: Final answer
    x = 4,193.79

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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.