Home / 7,069.09-9,755.43-3,881.92

Finding the Fourth Proportional to 7,069.09, 9,755.43 and 3,881.92

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Solution

The fourth proportional to 7,069.09, 9,755.43 and 3,881.92 is: 5,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.09 : 9,755.43 = 3,881.92 : x
  2. Step 2: Convert to fraction form
    7,069.09/9,755.43 = 3,881.92/x
  3. Step 3: Cross multiply
    7,069.09x = 9,755.43 × 3,881.92
  4. Step 4: Simplify right side
    7,069.09x = 37,869,800.01
  5. Step 5: Solve for x
    x = 37,869,800.01/7,069.09
  6. Step 6: Final answer
    x = 5,357.10

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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.