Home / 7,713.17-11,569.80-2,783.60

Finding the Fourth Proportional to 7,713.17, 11,569.80 and 2,783.60

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Solution

The fourth proportional to 7,713.17, 11,569.80 and 2,783.60 is: 4,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.17 : 11,569.80 = 2,783.60 : x
  2. Step 2: Convert to fraction form
    7,713.17/11,569.80 = 2,783.60/x
  3. Step 3: Cross multiply
    7,713.17x = 11,569.80 × 2,783.60
  4. Step 4: Simplify right side
    7,713.17x = 32,205,695.28
  5. Step 5: Solve for x
    x = 32,205,695.28/7,713.17
  6. Step 6: Final answer
    x = 4,175.42

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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.