Home / 9,776.24-14,664.60-3,208.40

Finding the Fourth Proportional to 9,776.24, 14,664.60 and 3,208.40

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Solution

The fourth proportional to 9,776.24, 14,664.60 and 3,208.40 is: 4,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.24 : 14,664.60 = 3,208.40 : x
  2. Step 2: Convert to fraction form
    9,776.24/14,664.60 = 3,208.40/x
  3. Step 3: Cross multiply
    9,776.24x = 14,664.60 × 3,208.40
  4. Step 4: Simplify right side
    9,776.24x = 47,049,902.64
  5. Step 5: Solve for x
    x = 47,049,902.64/9,776.24
  6. Step 6: Final answer
    x = 4,812.68

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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.