Home / 7,249.68-9,999.18-4,728.96

Finding the Fourth Proportional to 7,249.68, 9,999.18 and 4,728.96

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Solution

The fourth proportional to 7,249.68, 9,999.18 and 4,728.96 is: 6,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.68 : 9,999.18 = 4,728.96 : x
  2. Step 2: Convert to fraction form
    7,249.68/9,999.18 = 4,728.96/x
  3. Step 3: Cross multiply
    7,249.68x = 9,999.18 × 4,728.96
  4. Step 4: Simplify right side
    7,249.68x = 47,285,722.25
  5. Step 5: Solve for x
    x = 47,285,722.25/7,249.68
  6. Step 6: Final answer
    x = 6,522.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.