Home / 5,021.15-7,528.91-2,058.78

Finding the Fourth Proportional to 5,021.15, 7,528.91 and 2,058.78

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Solution

The fourth proportional to 5,021.15, 7,528.91 and 2,058.78 is: 3,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.15 : 7,528.91 = 2,058.78 : x
  2. Step 2: Convert to fraction form
    5,021.15/7,528.91 = 2,058.78/x
  3. Step 3: Cross multiply
    5,021.15x = 7,528.91 × 2,058.78
  4. Step 4: Simplify right side
    5,021.15x = 15,500,359.04
  5. Step 5: Solve for x
    x = 15,500,359.04/5,021.15
  6. Step 6: Final answer
    x = 3,087.01

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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.