Home / 7,777.49-10,732.85-4,240.73

Finding the Fourth Proportional to 7,777.49, 10,732.85 and 4,240.73

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Solution

The fourth proportional to 7,777.49, 10,732.85 and 4,240.73 is: 5,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.49 : 10,732.85 = 4,240.73 : x
  2. Step 2: Convert to fraction form
    7,777.49/10,732.85 = 4,240.73/x
  3. Step 3: Cross multiply
    7,777.49x = 10,732.85 × 4,240.73
  4. Step 4: Simplify right side
    7,777.49x = 45,515,097.78
  5. Step 5: Solve for x
    x = 45,515,097.78/7,777.49
  6. Step 6: Final answer
    x = 5,852.16

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Half scale
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Double scale
Find fourth proportional to 7,778.49, 10,734.22 and 4,241.73
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.