Home / 7,728.96-11,594.88-2,799.12

Finding the Fourth Proportional to 7,728.96, 11,594.88 and 2,799.12

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Solution

The fourth proportional to 7,728.96, 11,594.88 and 2,799.12 is: 4,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.96 : 11,594.88 = 2,799.12 : x
  2. Step 2: Convert to fraction form
    7,728.96/11,594.88 = 2,799.12/x
  3. Step 3: Cross multiply
    7,728.96x = 11,594.88 × 2,799.12
  4. Step 4: Simplify right side
    7,728.96x = 32,455,460.51
  5. Step 5: Solve for x
    x = 32,455,460.51/7,728.96
  6. Step 6: Final answer
    x = 4,199.20

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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.