Home / 5,087.46-7,631.52-1,577.79

Finding the Fourth Proportional to 5,087.46, 7,631.52 and 1,577.79

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Solution

The fourth proportional to 5,087.46, 7,631.52 and 1,577.79 is: 2,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.46 : 7,631.52 = 1,577.79 : x
  2. Step 2: Convert to fraction form
    5,087.46/7,631.52 = 1,577.79/x
  3. Step 3: Cross multiply
    5,087.46x = 7,631.52 × 1,577.79
  4. Step 4: Simplify right side
    5,087.46x = 12,040,935.94
  5. Step 5: Solve for x
    x = 12,040,935.94/5,087.46
  6. Step 6: Final answer
    x = 2,366.79

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1.5x scale

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.