Home / 5,180.10-7,765.86-2,058.18

Finding the Fourth Proportional to 5,180.10, 7,765.86 and 2,058.18

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Solution

The fourth proportional to 5,180.10, 7,765.86 and 2,058.18 is: 3,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.10 : 7,765.86 = 2,058.18 : x
  2. Step 2: Convert to fraction form
    5,180.10/7,765.86 = 2,058.18/x
  3. Step 3: Cross multiply
    5,180.10x = 7,765.86 × 2,058.18
  4. Step 4: Simplify right side
    5,180.10x = 15,983,537.73
  5. Step 5: Solve for x
    x = 15,983,537.73/5,180.10
  6. Step 6: Final answer
    x = 3,085.57

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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.