Home / 5,517-8,275.52-5,240.16

Finding the Fourth Proportional to 5,517, 8,275.52 and 5,240.16

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Solution

The fourth proportional to 5,517, 8,275.52 and 5,240.16 is: 7,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517 : 8,275.52 = 5,240.16 : x
  2. Step 2: Convert to fraction form
    5,517/8,275.52 = 5,240.16/x
  3. Step 3: Cross multiply
    5,517x = 8,275.52 × 5,240.16
  4. Step 4: Simplify right side
    5,517x = 43,365,048.88
  5. Step 5: Solve for x
    x = 43,365,048.88/5,517
  6. Step 6: Final answer
    x = 7,860.26

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.