Home / 7,952.48-11,928.56-2,405.76

Finding the Fourth Proportional to 7,952.48, 11,928.56 and 2,405.76

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Solution

The fourth proportional to 7,952.48, 11,928.56 and 2,405.76 is: 3,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.48 : 11,928.56 = 2,405.76 : x
  2. Step 2: Convert to fraction form
    7,952.48/11,928.56 = 2,405.76/x
  3. Step 3: Cross multiply
    7,952.48x = 11,928.56 × 2,405.76
  4. Step 4: Simplify right side
    7,952.48x = 28,697,252.51
  5. Step 5: Solve for x
    x = 28,697,252.51/7,952.48
  6. Step 6: Final answer
    x = 3,608.59

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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.