Home / 5,752.80-8,615.61-2,831.94

Finding the Fourth Proportional to 5,752.80, 8,615.61 and 2,831.94

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Solution

The fourth proportional to 5,752.80, 8,615.61 and 2,831.94 is: 4,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.80 : 8,615.61 = 2,831.94 : x
  2. Step 2: Convert to fraction form
    5,752.80/8,615.61 = 2,831.94/x
  3. Step 3: Cross multiply
    5,752.80x = 8,615.61 × 2,831.94
  4. Step 4: Simplify right side
    5,752.80x = 24,398,890.58
  5. Step 5: Solve for x
    x = 24,398,890.58/5,752.80
  6. Step 6: Final answer
    x = 4,241.22

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1.5x scale

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.