Home / 7,083.75-10,623.96-2,919.63

Finding the Fourth Proportional to 7,083.75, 10,623.96 and 2,919.63

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Solution

The fourth proportional to 7,083.75, 10,623.96 and 2,919.63 is: 4,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.75 : 10,623.96 = 2,919.63 : x
  2. Step 2: Convert to fraction form
    7,083.75/10,623.96 = 2,919.63/x
  3. Step 3: Cross multiply
    7,083.75x = 10,623.96 × 2,919.63
  4. Step 4: Simplify right side
    7,083.75x = 31,018,032.33
  5. Step 5: Solve for x
    x = 31,018,032.33/7,083.75
  6. Step 6: Final answer
    x = 4,378.76

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