Home / 7,430.96-11,144.28-2,238.32

Finding the Fourth Proportional to 7,430.96, 11,144.28 and 2,238.32

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Solution

The fourth proportional to 7,430.96, 11,144.28 and 2,238.32 is: 3,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.96 : 11,144.28 = 2,238.32 : x
  2. Step 2: Convert to fraction form
    7,430.96/11,144.28 = 2,238.32/x
  3. Step 3: Cross multiply
    7,430.96x = 11,144.28 × 2,238.32
  4. Step 4: Simplify right side
    7,430.96x = 24,944,464.81
  5. Step 5: Solve for x
    x = 24,944,464.81/7,430.96
  6. Step 6: Final answer
    x = 3,356.83

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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.