Home / 7,484.56-11,228.48-2,290.84

Finding the Fourth Proportional to 7,484.56, 11,228.48 and 2,290.84

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Solution

The fourth proportional to 7,484.56, 11,228.48 and 2,290.84 is: 3,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.56 : 11,228.48 = 2,290.84 : x
  2. Step 2: Convert to fraction form
    7,484.56/11,228.48 = 2,290.84/x
  3. Step 3: Cross multiply
    7,484.56x = 11,228.48 × 2,290.84
  4. Step 4: Simplify right side
    7,484.56x = 25,722,651.12
  5. Step 5: Solve for x
    x = 25,722,651.12/7,484.56
  6. Step 6: Final answer
    x = 3,436.76

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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.