Home / 7,034.96-9,707.85-3,847.62

Finding the Fourth Proportional to 7,034.96, 9,707.85 and 3,847.62

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Solution

The fourth proportional to 7,034.96, 9,707.85 and 3,847.62 is: 5,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.96 : 9,707.85 = 3,847.62 : x
  2. Step 2: Convert to fraction form
    7,034.96/9,707.85 = 3,847.62/x
  3. Step 3: Cross multiply
    7,034.96x = 9,707.85 × 3,847.62
  4. Step 4: Simplify right side
    7,034.96x = 37,352,117.82
  5. Step 5: Solve for x
    x = 37,352,117.82/7,034.96
  6. Step 6: Final answer
    x = 5,309.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.