Home / 5,148.75-7,101.51-3,260.64

Finding the Fourth Proportional to 5,148.75, 7,101.51 and 3,260.64

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Solution

The fourth proportional to 5,148.75, 7,101.51 and 3,260.64 is: 4,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.75 : 7,101.51 = 3,260.64 : x
  2. Step 2: Convert to fraction form
    5,148.75/7,101.51 = 3,260.64/x
  3. Step 3: Cross multiply
    5,148.75x = 7,101.51 × 3,260.64
  4. Step 4: Simplify right side
    5,148.75x = 23,155,467.57
  5. Step 5: Solve for x
    x = 23,155,467.57/5,148.75
  6. Step 6: Final answer
    x = 4,497.30

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.