Home / 7,777.36-10,732.71-4,240.63

Finding the Fourth Proportional to 7,777.36, 10,732.71 and 4,240.63

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Solution

The fourth proportional to 7,777.36, 10,732.71 and 4,240.63 is: 5,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.36 : 10,732.71 = 4,240.63 : x
  2. Step 2: Convert to fraction form
    7,777.36/10,732.71 = 4,240.63/x
  3. Step 3: Cross multiply
    7,777.36x = 10,732.71 × 4,240.63
  4. Step 4: Simplify right side
    7,777.36x = 45,513,452.01
  5. Step 5: Solve for x
    x = 45,513,452.01/7,777.36
  6. Step 6: Final answer
    x = 5,852.04

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Half scale
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Double scale
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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.