Home / 4,950.40-6,831.51-2,712.23

Finding the Fourth Proportional to 4,950.40, 6,831.51 and 2,712.23

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Solution

The fourth proportional to 4,950.40, 6,831.51 and 2,712.23 is: 3,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.40 : 6,831.51 = 2,712.23 : x
  2. Step 2: Convert to fraction form
    4,950.40/6,831.51 = 2,712.23/x
  3. Step 3: Cross multiply
    4,950.40x = 6,831.51 × 2,712.23
  4. Step 4: Simplify right side
    4,950.40x = 18,528,626.37
  5. Step 5: Solve for x
    x = 18,528,626.37/4,950.40
  6. Step 6: Final answer
    x = 3,742.85

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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.