Home / 4,711-7,066.70-1,789.50

Finding the Fourth Proportional to 4,711, 7,066.70 and 1,789.50

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Solution

The fourth proportional to 4,711, 7,066.70 and 1,789.50 is: 2,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711 : 7,066.70 = 1,789.50 : x
  2. Step 2: Convert to fraction form
    4,711/7,066.70 = 1,789.50/x
  3. Step 3: Cross multiply
    4,711x = 7,066.70 × 1,789.50
  4. Step 4: Simplify right side
    4,711x = 12,645,859.65
  5. Step 5: Solve for x
    x = 12,645,859.65/4,711
  6. Step 6: Final answer
    x = 2,684.33

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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.