Home / 5,058.30-7,587.84-1,939.80

Finding the Fourth Proportional to 5,058.30, 7,587.84 and 1,939.80

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Solution

The fourth proportional to 5,058.30, 7,587.84 and 1,939.80 is: 2,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.30 : 7,587.84 = 1,939.80 : x
  2. Step 2: Convert to fraction form
    5,058.30/7,587.84 = 1,939.80/x
  3. Step 3: Cross multiply
    5,058.30x = 7,587.84 × 1,939.80
  4. Step 4: Simplify right side
    5,058.30x = 14,718,892.03
  5. Step 5: Solve for x
    x = 14,718,892.03/5,058.30
  6. Step 6: Final answer
    x = 2,909.85

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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.