Home / 5,087.70-7,631.46-1,624.92

Finding the Fourth Proportional to 5,087.70, 7,631.46 and 1,624.92

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Solution

The fourth proportional to 5,087.70, 7,631.46 and 1,624.92 is: 2,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.70 : 7,631.46 = 1,624.92 : x
  2. Step 2: Convert to fraction form
    5,087.70/7,631.46 = 1,624.92/x
  3. Step 3: Cross multiply
    5,087.70x = 7,631.46 × 1,624.92
  4. Step 4: Simplify right side
    5,087.70x = 12,400,511.98
  5. Step 5: Solve for x
    x = 12,400,511.98/5,087.70
  6. Step 6: Final answer
    x = 2,437.35

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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.