Home / 5,070.09-6,996.71-2,831.97

Finding the Fourth Proportional to 5,070.09, 6,996.71 and 2,831.97

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Solution

The fourth proportional to 5,070.09, 6,996.71 and 2,831.97 is: 3,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.09 : 6,996.71 = 2,831.97 : x
  2. Step 2: Convert to fraction form
    5,070.09/6,996.71 = 2,831.97/x
  3. Step 3: Cross multiply
    5,070.09x = 6,996.71 × 2,831.97
  4. Step 4: Simplify right side
    5,070.09x = 19,814,479.90
  5. Step 5: Solve for x
    x = 19,814,479.90/5,070.09
  6. Step 6: Final answer
    x = 3,908.11

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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.