Home / 8,257.14-11,386.29-7,066.07

Finding the Fourth Proportional to 8,257.14, 11,386.29 and 7,066.07

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Solution

The fourth proportional to 8,257.14, 11,386.29 and 7,066.07 is: 9,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.14 : 11,386.29 = 7,066.07 : x
  2. Step 2: Convert to fraction form
    8,257.14/11,386.29 = 7,066.07/x
  3. Step 3: Cross multiply
    8,257.14x = 11,386.29 × 7,066.07
  4. Step 4: Simplify right side
    8,257.14x = 80,456,322.18
  5. Step 5: Solve for x
    x = 80,456,322.18/8,257.14
  6. Step 6: Final answer
    x = 9,743.85

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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.