Home / 9,141.81-13,711.32-2,901.02

Finding the Fourth Proportional to 9,141.81, 13,711.32 and 2,901.02

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Solution

The fourth proportional to 9,141.81, 13,711.32 and 2,901.02 is: 4,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.81 : 13,711.32 = 2,901.02 : x
  2. Step 2: Convert to fraction form
    9,141.81/13,711.32 = 2,901.02/x
  3. Step 3: Cross multiply
    9,141.81x = 13,711.32 × 2,901.02
  4. Step 4: Simplify right side
    9,141.81x = 39,776,736.83
  5. Step 5: Solve for x
    x = 39,776,736.83/9,141.81
  6. Step 6: Final answer
    x = 4,351.08

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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.