Home / 5,221.02-7,831.18-2,448.31

Finding the Fourth Proportional to 5,221.02, 7,831.18 and 2,448.31

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Solution

The fourth proportional to 5,221.02, 7,831.18 and 2,448.31 is: 3,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.02 : 7,831.18 = 2,448.31 : x
  2. Step 2: Convert to fraction form
    5,221.02/7,831.18 = 2,448.31/x
  3. Step 3: Cross multiply
    5,221.02x = 7,831.18 × 2,448.31
  4. Step 4: Simplify right side
    5,221.02x = 19,173,156.31
  5. Step 5: Solve for x
    x = 19,173,156.31/5,221.02
  6. Step 6: Final answer
    x = 3,672.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.