Home / 5,070.10-6,996.78-2,831.96

Finding the Fourth Proportional to 5,070.10, 6,996.78 and 2,831.96

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Solution

The fourth proportional to 5,070.10, 6,996.78 and 2,831.96 is: 3,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.10 : 6,996.78 = 2,831.96 : x
  2. Step 2: Convert to fraction form
    5,070.10/6,996.78 = 2,831.96/x
  3. Step 3: Cross multiply
    5,070.10x = 6,996.78 × 2,831.96
  4. Step 4: Simplify right side
    5,070.10x = 19,814,601.09
  5. Step 5: Solve for x
    x = 19,814,601.09/5,070.10
  6. Step 6: Final answer
    x = 3,908.13

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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.