Home / 7,439.74-11,160.01-2,245.48

Finding the Fourth Proportional to 7,439.74, 11,160.01 and 2,245.48

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Solution

The fourth proportional to 7,439.74, 11,160.01 and 2,245.48 is: 3,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.74 : 11,160.01 = 2,245.48 : x
  2. Step 2: Convert to fraction form
    7,439.74/11,160.01 = 2,245.48/x
  3. Step 3: Cross multiply
    7,439.74x = 11,160.01 × 2,245.48
  4. Step 4: Simplify right side
    7,439.74x = 25,059,554.16
  5. Step 5: Solve for x
    x = 25,059,554.16/7,439.74
  6. Step 6: Final answer
    x = 3,368.34

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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.