Home / 7,664.80-11,479.92-4,580.32

Finding the Fourth Proportional to 7,664.80, 11,479.92 and 4,580.32

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Solution

The fourth proportional to 7,664.80, 11,479.92 and 4,580.32 is: 6,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.80 : 11,479.92 = 4,580.32 : x
  2. Step 2: Convert to fraction form
    7,664.80/11,479.92 = 4,580.32/x
  3. Step 3: Cross multiply
    7,664.80x = 11,479.92 × 4,580.32
  4. Step 4: Simplify right side
    7,664.80x = 52,581,707.17
  5. Step 5: Solve for x
    x = 52,581,707.17/7,664.80
  6. Step 6: Final answer
    x = 6,860.15

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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.