Home / 5,070.48-6,997.02-2,831.91

Finding the Fourth Proportional to 5,070.48, 6,997.02 and 2,831.91

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Solution

The fourth proportional to 5,070.48, 6,997.02 and 2,831.91 is: 3,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.48 : 6,997.02 = 2,831.91 : x
  2. Step 2: Convert to fraction form
    5,070.48/6,997.02 = 2,831.91/x
  3. Step 3: Cross multiply
    5,070.48x = 6,997.02 × 2,831.91
  4. Step 4: Simplify right side
    5,070.48x = 19,814,894.05
  5. Step 5: Solve for x
    x = 19,814,894.05/5,070.48
  6. Step 6: Final answer
    x = 3,907.90

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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.