Home / 7,784.55-11,674.13-2,518.61

Finding the Fourth Proportional to 7,784.55, 11,674.13 and 2,518.61

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Solution

The fourth proportional to 7,784.55, 11,674.13 and 2,518.61 is: 3,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.55 : 11,674.13 = 2,518.61 : x
  2. Step 2: Convert to fraction form
    7,784.55/11,674.13 = 2,518.61/x
  3. Step 3: Cross multiply
    7,784.55x = 11,674.13 × 2,518.61
  4. Step 4: Simplify right side
    7,784.55x = 29,402,509.60
  5. Step 5: Solve for x
    x = 29,402,509.60/7,784.55
  6. Step 6: Final answer
    x = 3,777.03

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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.