Home / 5,137.16-7,705.74-2,061.32

Finding the Fourth Proportional to 5,137.16, 7,705.74 and 2,061.32

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Solution

The fourth proportional to 5,137.16, 7,705.74 and 2,061.32 is: 3,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.16 : 7,705.74 = 2,061.32 : x
  2. Step 2: Convert to fraction form
    5,137.16/7,705.74 = 2,061.32/x
  3. Step 3: Cross multiply
    5,137.16x = 7,705.74 × 2,061.32
  4. Step 4: Simplify right side
    5,137.16x = 15,883,995.98
  5. Step 5: Solve for x
    x = 15,883,995.98/5,137.16
  6. Step 6: Final answer
    x = 3,091.98

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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.