Home / 5,831.13-8,749.43-2,909.66

Finding the Fourth Proportional to 5,831.13, 8,749.43 and 2,909.66

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Solution

The fourth proportional to 5,831.13, 8,749.43 and 2,909.66 is: 4,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.13 : 8,749.43 = 2,909.66 : x
  2. Step 2: Convert to fraction form
    5,831.13/8,749.43 = 2,909.66/x
  3. Step 3: Cross multiply
    5,831.13x = 8,749.43 × 2,909.66
  4. Step 4: Simplify right side
    5,831.13x = 25,457,866.49
  5. Step 5: Solve for x
    x = 25,457,866.49/5,831.13
  6. Step 6: Final answer
    x = 4,365.85

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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.