Home / 7,391.64-11,091.42-4,927.80

Finding the Fourth Proportional to 7,391.64, 11,091.42 and 4,927.80

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Solution

The fourth proportional to 7,391.64, 11,091.42 and 4,927.80 is: 7,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.64 : 11,091.42 = 4,927.80 : x
  2. Step 2: Convert to fraction form
    7,391.64/11,091.42 = 4,927.80/x
  3. Step 3: Cross multiply
    7,391.64x = 11,091.42 × 4,927.80
  4. Step 4: Simplify right side
    7,391.64x = 54,656,299.48
  5. Step 5: Solve for x
    x = 54,656,299.48/7,391.64
  6. Step 6: Final answer
    x = 7,394.34

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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.