Home / 7,391.25-10,186.56-6,125.63

Finding the Fourth Proportional to 7,391.25, 10,186.56 and 6,125.63

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Solution

The fourth proportional to 7,391.25, 10,186.56 and 6,125.63 is: 8,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.25 : 10,186.56 = 6,125.63 : x
  2. Step 2: Convert to fraction form
    7,391.25/10,186.56 = 6,125.63/x
  3. Step 3: Cross multiply
    7,391.25x = 10,186.56 × 6,125.63
  4. Step 4: Simplify right side
    7,391.25x = 62,399,046.60
  5. Step 5: Solve for x
    x = 62,399,046.60/7,391.25
  6. Step 6: Final answer
    x = 8,442.29

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Half scale
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Double scale
Find fourth proportional to 7,392.25, 10,187.94 and 6,126.63
Similar ratio
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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.