Home / 7,766.52-10,720.14-5,283.96

Finding the Fourth Proportional to 7,766.52, 10,720.14 and 5,283.96

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Solution

The fourth proportional to 7,766.52, 10,720.14 and 5,283.96 is: 7,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.52 : 10,720.14 = 5,283.96 : x
  2. Step 2: Convert to fraction form
    7,766.52/10,720.14 = 5,283.96/x
  3. Step 3: Cross multiply
    7,766.52x = 10,720.14 × 5,283.96
  4. Step 4: Simplify right side
    7,766.52x = 56,644,790.95
  5. Step 5: Solve for x
    x = 56,644,790.95/7,766.52
  6. Step 6: Final answer
    x = 7,293.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.