Home / 7,760.20-10,709.32-4,402.84

Finding the Fourth Proportional to 7,760.20, 10,709.32 and 4,402.84

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Solution

The fourth proportional to 7,760.20, 10,709.32 and 4,402.84 is: 6,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.20 : 10,709.32 = 4,402.84 : x
  2. Step 2: Convert to fraction form
    7,760.20/10,709.32 = 4,402.84/x
  3. Step 3: Cross multiply
    7,760.20x = 10,709.32 × 4,402.84
  4. Step 4: Simplify right side
    7,760.20x = 47,151,422.47
  5. Step 5: Solve for x
    x = 47,151,422.47/7,760.20
  6. Step 6: Final answer
    x = 6,076.06

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1.5x scale

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.