Home / 5,091.15-7,626.86-2,977.66

Finding the Fourth Proportional to 5,091.15, 7,626.86 and 2,977.66

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Solution

The fourth proportional to 5,091.15, 7,626.86 and 2,977.66 is: 4,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.15 : 7,626.86 = 2,977.66 : x
  2. Step 2: Convert to fraction form
    5,091.15/7,626.86 = 2,977.66/x
  3. Step 3: Cross multiply
    5,091.15x = 7,626.86 × 2,977.66
  4. Step 4: Simplify right side
    5,091.15x = 22,710,201.76
  5. Step 5: Solve for x
    x = 22,710,201.76/5,091.15
  6. Step 6: Final answer
    x = 4,460.72

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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.