Home / 7,739.55-11,610.14-4,815.45

Finding the Fourth Proportional to 7,739.55, 11,610.14 and 4,815.45

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Solution

The fourth proportional to 7,739.55, 11,610.14 and 4,815.45 is: 7,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.55 : 11,610.14 = 4,815.45 : x
  2. Step 2: Convert to fraction form
    7,739.55/11,610.14 = 4,815.45/x
  3. Step 3: Cross multiply
    7,739.55x = 11,610.14 × 4,815.45
  4. Step 4: Simplify right side
    7,739.55x = 55,908,024.59
  5. Step 5: Solve for x
    x = 55,908,024.59/7,739.55
  6. Step 6: Final answer
    x = 7,223.68

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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.