Home / 7,352.68-10,153.62-5,120.66

Finding the Fourth Proportional to 7,352.68, 10,153.62 and 5,120.66

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Solution

The fourth proportional to 7,352.68, 10,153.62 and 5,120.66 is: 7,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.68 : 10,153.62 = 5,120.66 : x
  2. Step 2: Convert to fraction form
    7,352.68/10,153.62 = 5,120.66/x
  3. Step 3: Cross multiply
    7,352.68x = 10,153.62 × 5,120.66
  4. Step 4: Simplify right side
    7,352.68x = 51,993,235.79
  5. Step 5: Solve for x
    x = 51,993,235.79/7,352.68
  6. Step 6: Final answer
    x = 7,071.33

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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.