Home / 6,551.36-9,831.14-2,655.78

Finding the Fourth Proportional to 6,551.36, 9,831.14 and 2,655.78

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Solution

The fourth proportional to 6,551.36, 9,831.14 and 2,655.78 is: 3,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.36 : 9,831.14 = 2,655.78 : x
  2. Step 2: Convert to fraction form
    6,551.36/9,831.14 = 2,655.78/x
  3. Step 3: Cross multiply
    6,551.36x = 9,831.14 × 2,655.78
  4. Step 4: Simplify right side
    6,551.36x = 26,109,344.99
  5. Step 5: Solve for x
    x = 26,109,344.99/6,551.36
  6. Step 6: Final answer
    x = 3,985.33

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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.