Home / 7,554.08-11,311.62-5,221.28

Finding the Fourth Proportional to 7,554.08, 11,311.62 and 5,221.28

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Solution

The fourth proportional to 7,554.08, 11,311.62 and 5,221.28 is: 7,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.08 : 11,311.62 = 5,221.28 : x
  2. Step 2: Convert to fraction form
    7,554.08/11,311.62 = 5,221.28/x
  3. Step 3: Cross multiply
    7,554.08x = 11,311.62 × 5,221.28
  4. Step 4: Simplify right side
    7,554.08x = 59,061,135.27
  5. Step 5: Solve for x
    x = 59,061,135.27/7,554.08
  6. Step 6: Final answer
    x = 7,818.44

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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.