Home / 7,748.12-11,601.54-4,456.28

Finding the Fourth Proportional to 7,748.12, 11,601.54 and 4,456.28

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Solution

The fourth proportional to 7,748.12, 11,601.54 and 4,456.28 is: 6,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.12 : 11,601.54 = 4,456.28 : x
  2. Step 2: Convert to fraction form
    7,748.12/11,601.54 = 4,456.28/x
  3. Step 3: Cross multiply
    7,748.12x = 11,601.54 × 4,456.28
  4. Step 4: Simplify right side
    7,748.12x = 51,699,710.67
  5. Step 5: Solve for x
    x = 51,699,710.67/7,748.12
  6. Step 6: Final answer
    x = 6,672.55

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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.