Home / 5,095.35-7,640.64-1,808.37

Finding the Fourth Proportional to 5,095.35, 7,640.64 and 1,808.37

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Solution

The fourth proportional to 5,095.35, 7,640.64 and 1,808.37 is: 2,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.35 : 7,640.64 = 1,808.37 : x
  2. Step 2: Convert to fraction form
    5,095.35/7,640.64 = 1,808.37/x
  3. Step 3: Cross multiply
    5,095.35x = 7,640.64 × 1,808.37
  4. Step 4: Simplify right side
    5,095.35x = 13,817,104.16
  5. Step 5: Solve for x
    x = 13,817,104.16/5,095.35
  6. Step 6: Final answer
    x = 2,711.71

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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.