Home / 7,410.12-11,110.77-2,478.42

Finding the Fourth Proportional to 7,410.12, 11,110.77 and 2,478.42

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Solution

The fourth proportional to 7,410.12, 11,110.77 and 2,478.42 is: 3,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.12 : 11,110.77 = 2,478.42 : x
  2. Step 2: Convert to fraction form
    7,410.12/11,110.77 = 2,478.42/x
  3. Step 3: Cross multiply
    7,410.12x = 11,110.77 × 2,478.42
  4. Step 4: Simplify right side
    7,410.12x = 27,537,154.58
  5. Step 5: Solve for x
    x = 27,537,154.58/7,410.12
  6. Step 6: Final answer
    x = 3,716.16

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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.