Home / 7,776.24-11,664.48-4,335.36

Finding the Fourth Proportional to 7,776.24, 11,664.48 and 4,335.36

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Solution

The fourth proportional to 7,776.24, 11,664.48 and 4,335.36 is: 6,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.24 : 11,664.48 = 4,335.36 : x
  2. Step 2: Convert to fraction form
    7,776.24/11,664.48 = 4,335.36/x
  3. Step 3: Cross multiply
    7,776.24x = 11,664.48 × 4,335.36
  4. Step 4: Simplify right side
    7,776.24x = 50,569,720.01
  5. Step 5: Solve for x
    x = 50,569,720.01/7,776.24
  6. Step 6: Final answer
    x = 6,503.11

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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.