Home / 5,181.79-7,150.88-2,823.93

Finding the Fourth Proportional to 5,181.79, 7,150.88 and 2,823.93

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Solution

The fourth proportional to 5,181.79, 7,150.88 and 2,823.93 is: 3,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.79 : 7,150.88 = 2,823.93 : x
  2. Step 2: Convert to fraction form
    5,181.79/7,150.88 = 2,823.93/x
  3. Step 3: Cross multiply
    5,181.79x = 7,150.88 × 2,823.93
  4. Step 4: Simplify right side
    5,181.79x = 20,193,561.45
  5. Step 5: Solve for x
    x = 20,193,561.45/5,181.79
  6. Step 6: Final answer
    x = 3,897.03

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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.