Home / 7,110.19-9,812.36-3,966.38

Finding the Fourth Proportional to 7,110.19, 9,812.36 and 3,966.38

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Solution

The fourth proportional to 7,110.19, 9,812.36 and 3,966.38 is: 5,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.19 : 9,812.36 = 3,966.38 : x
  2. Step 2: Convert to fraction form
    7,110.19/9,812.36 = 3,966.38/x
  3. Step 3: Cross multiply
    7,110.19x = 9,812.36 × 3,966.38
  4. Step 4: Simplify right side
    7,110.19x = 38,919,509.31
  5. Step 5: Solve for x
    x = 38,919,509.31/7,110.19
  6. Step 6: Final answer
    x = 5,473.77

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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.