Home / 7,486.30-11,228.55-3,103.30

Finding the Fourth Proportional to 7,486.30, 11,228.55 and 3,103.30

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Solution

The fourth proportional to 7,486.30, 11,228.55 and 3,103.30 is: 4,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.30 : 11,228.55 = 3,103.30 : x
  2. Step 2: Convert to fraction form
    7,486.30/11,228.55 = 3,103.30/x
  3. Step 3: Cross multiply
    7,486.30x = 11,228.55 × 3,103.30
  4. Step 4: Simplify right side
    7,486.30x = 34,845,559.22
  5. Step 5: Solve for x
    x = 34,845,559.22/7,486.30
  6. Step 6: Final answer
    x = 4,654.58

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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.