Home / 6,553.68-9,831.60-2,660.76

Finding the Fourth Proportional to 6,553.68, 9,831.60 and 2,660.76

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Solution

The fourth proportional to 6,553.68, 9,831.60 and 2,660.76 is: 3,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.68 : 9,831.60 = 2,660.76 : x
  2. Step 2: Convert to fraction form
    6,553.68/9,831.60 = 2,660.76/x
  3. Step 3: Cross multiply
    6,553.68x = 9,831.60 × 2,660.76
  4. Step 4: Simplify right side
    6,553.68x = 26,159,528.02
  5. Step 5: Solve for x
    x = 26,159,528.02/6,553.68
  6. Step 6: Final answer
    x = 3,991.58

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1.5x scale

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.