Home / 5,177.93-7,150.88-3,987.23

Finding the Fourth Proportional to 5,177.93, 7,150.88 and 3,987.23

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Solution

The fourth proportional to 5,177.93, 7,150.88 and 3,987.23 is: 5,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.93 : 7,150.88 = 3,987.23 : x
  2. Step 2: Convert to fraction form
    5,177.93/7,150.88 = 3,987.23/x
  3. Step 3: Cross multiply
    5,177.93x = 7,150.88 × 3,987.23
  4. Step 4: Simplify right side
    5,177.93x = 28,512,177.48
  5. Step 5: Solve for x
    x = 28,512,177.48/5,177.93
  6. Step 6: Final answer
    x = 5,506.49

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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.