Home / 7,374.94-11,065.04-3,428.08

Finding the Fourth Proportional to 7,374.94, 11,065.04 and 3,428.08

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Solution

The fourth proportional to 7,374.94, 11,065.04 and 3,428.08 is: 5,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.94 : 11,065.04 = 3,428.08 : x
  2. Step 2: Convert to fraction form
    7,374.94/11,065.04 = 3,428.08/x
  3. Step 3: Cross multiply
    7,374.94x = 11,065.04 × 3,428.08
  4. Step 4: Simplify right side
    7,374.94x = 37,931,810.38
  5. Step 5: Solve for x
    x = 37,931,810.38/7,374.94
  6. Step 6: Final answer
    x = 5,143.34

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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.