Home / 5,230.62-7,219.58-2,993.19

Finding the Fourth Proportional to 5,230.62, 7,219.58 and 2,993.19

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Solution

The fourth proportional to 5,230.62, 7,219.58 and 2,993.19 is: 4,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.62 : 7,219.58 = 2,993.19 : x
  2. Step 2: Convert to fraction form
    5,230.62/7,219.58 = 2,993.19/x
  3. Step 3: Cross multiply
    5,230.62x = 7,219.58 × 2,993.19
  4. Step 4: Simplify right side
    5,230.62x = 21,609,574.66
  5. Step 5: Solve for x
    x = 21,609,574.66/5,230.62
  6. Step 6: Final answer
    x = 4,131.36

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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.