Home / 5,134.46-7,702.64-1,625.35

Finding the Fourth Proportional to 5,134.46, 7,702.64 and 1,625.35

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Solution

The fourth proportional to 5,134.46, 7,702.64 and 1,625.35 is: 2,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.46 : 7,702.64 = 1,625.35 : x
  2. Step 2: Convert to fraction form
    5,134.46/7,702.64 = 1,625.35/x
  3. Step 3: Cross multiply
    5,134.46x = 7,702.64 × 1,625.35
  4. Step 4: Simplify right side
    5,134.46x = 12,519,479.08
  5. Step 5: Solve for x
    x = 12,519,479.08/5,134.46
  6. Step 6: Final answer
    x = 2,438.32

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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.