Home / 5,190.88-7,127.24-5,055.58

Finding the Fourth Proportional to 5,190.88, 7,127.24 and 5,055.58

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Solution

The fourth proportional to 5,190.88, 7,127.24 and 5,055.58 is: 6,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.88 : 7,127.24 = 5,055.58 : x
  2. Step 2: Convert to fraction form
    5,190.88/7,127.24 = 5,055.58/x
  3. Step 3: Cross multiply
    5,190.88x = 7,127.24 × 5,055.58
  4. Step 4: Simplify right side
    5,190.88x = 36,032,306.72
  5. Step 5: Solve for x
    x = 36,032,306.72/5,190.88
  6. Step 6: Final answer
    x = 6,941.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.