Home / 5,069.71-6,995.51-2,831.30

Finding the Fourth Proportional to 5,069.71, 6,995.51 and 2,831.30

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Solution

The fourth proportional to 5,069.71, 6,995.51 and 2,831.30 is: 3,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.71 : 6,995.51 = 2,831.30 : x
  2. Step 2: Convert to fraction form
    5,069.71/6,995.51 = 2,831.30/x
  3. Step 3: Cross multiply
    5,069.71x = 6,995.51 × 2,831.30
  4. Step 4: Simplify right side
    5,069.71x = 19,806,430.46
  5. Step 5: Solve for x
    x = 19,806,430.46/5,069.71
  6. Step 6: Final answer
    x = 3,906.81

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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.