Home / 7,477.30-11,215.85-2,283.20

Finding the Fourth Proportional to 7,477.30, 11,215.85 and 2,283.20

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Solution

The fourth proportional to 7,477.30, 11,215.85 and 2,283.20 is: 3,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.30 : 11,215.85 = 2,283.20 : x
  2. Step 2: Convert to fraction form
    7,477.30/11,215.85 = 2,283.20/x
  3. Step 3: Cross multiply
    7,477.30x = 11,215.85 × 2,283.20
  4. Step 4: Simplify right side
    7,477.30x = 25,608,028.72
  5. Step 5: Solve for x
    x = 25,608,028.72/7,477.30
  6. Step 6: Final answer
    x = 3,424.77

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Similar ratio
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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.