Home / 7,739.60-10,680-4,553.00

Finding the Fourth Proportional to 7,739.60, 10,680 and 4,553.00

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Solution

The fourth proportional to 7,739.60, 10,680 and 4,553.00 is: 6,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.60 : 10,680 = 4,553.00 : x
  2. Step 2: Convert to fraction form
    7,739.60/10,680 = 4,553.00/x
  3. Step 3: Cross multiply
    7,739.60x = 10,680 × 4,553.00
  4. Step 4: Simplify right side
    7,739.60x = 48,625,986.60
  5. Step 5: Solve for x
    x = 48,625,986.60/7,739.60
  6. Step 6: Final answer
    x = 6,282.76

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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.