Home / 7,374.38-11,055.04-5,289.14

Finding the Fourth Proportional to 7,374.38, 11,055.04 and 5,289.14

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Solution

The fourth proportional to 7,374.38, 11,055.04 and 5,289.14 is: 7,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.38 : 11,055.04 = 5,289.14 : x
  2. Step 2: Convert to fraction form
    7,374.38/11,055.04 = 5,289.14/x
  3. Step 3: Cross multiply
    7,374.38x = 11,055.04 × 5,289.14
  4. Step 4: Simplify right side
    7,374.38x = 58,471,654.27
  5. Step 5: Solve for x
    x = 58,471,654.27/7,374.38
  6. Step 6: Final answer
    x = 7,929.03

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1.5x scale

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.