Home / 5,087.72-7,631.94-1,625.06

Finding the Fourth Proportional to 5,087.72, 7,631.94 and 1,625.06

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Solution

The fourth proportional to 5,087.72, 7,631.94 and 1,625.06 is: 2,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.72 : 7,631.94 = 1,625.06 : x
  2. Step 2: Convert to fraction form
    5,087.72/7,631.94 = 1,625.06/x
  3. Step 3: Cross multiply
    5,087.72x = 7,631.94 × 1,625.06
  4. Step 4: Simplify right side
    5,087.72x = 12,402,360.42
  5. Step 5: Solve for x
    x = 12,402,360.42/5,087.72
  6. Step 6: Final answer
    x = 2,437.70

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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.