Home / 4,554.20-6,831.30-1,631.45

Finding the Fourth Proportional to 4,554.20, 6,831.30 and 1,631.45

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Solution

The fourth proportional to 4,554.20, 6,831.30 and 1,631.45 is: 2,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.20 : 6,831.30 = 1,631.45 : x
  2. Step 2: Convert to fraction form
    4,554.20/6,831.30 = 1,631.45/x
  3. Step 3: Cross multiply
    4,554.20x = 6,831.30 × 1,631.45
  4. Step 4: Simplify right side
    4,554.20x = 11,144,924.39
  5. Step 5: Solve for x
    x = 11,144,924.39/4,554.20
  6. Step 6: Final answer
    x = 2,447.18

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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.