Home / 5,102.18-7,652.94-1,639.16

Finding the Fourth Proportional to 5,102.18, 7,652.94 and 1,639.16

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Solution

The fourth proportional to 5,102.18, 7,652.94 and 1,639.16 is: 2,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.18 : 7,652.94 = 1,639.16 : x
  2. Step 2: Convert to fraction form
    5,102.18/7,652.94 = 1,639.16/x
  3. Step 3: Cross multiply
    5,102.18x = 7,652.94 × 1,639.16
  4. Step 4: Simplify right side
    5,102.18x = 12,544,393.13
  5. Step 5: Solve for x
    x = 12,544,393.13/5,102.18
  6. Step 6: Final answer
    x = 2,458.63

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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.