Home / 7,410.15-11,111.99-2,214.81

Finding the Fourth Proportional to 7,410.15, 11,111.99 and 2,214.81

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Solution

The fourth proportional to 7,410.15, 11,111.99 and 2,214.81 is: 3,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.15 : 11,111.99 = 2,214.81 : x
  2. Step 2: Convert to fraction form
    7,410.15/11,111.99 = 2,214.81/x
  3. Step 3: Cross multiply
    7,410.15x = 11,111.99 × 2,214.81
  4. Step 4: Simplify right side
    7,410.15x = 24,610,935.50
  5. Step 5: Solve for x
    x = 24,610,935.50/7,410.15
  6. Step 6: Final answer
    x = 3,321.25

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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.