Home / 8,376.48-12,565.53-2,831.54

Finding the Fourth Proportional to 8,376.48, 12,565.53 and 2,831.54

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Solution

The fourth proportional to 8,376.48, 12,565.53 and 2,831.54 is: 4,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.48 : 12,565.53 = 2,831.54 : x
  2. Step 2: Convert to fraction form
    8,376.48/12,565.53 = 2,831.54/x
  3. Step 3: Cross multiply
    8,376.48x = 12,565.53 × 2,831.54
  4. Step 4: Simplify right side
    8,376.48x = 35,579,737.99
  5. Step 5: Solve for x
    x = 35,579,737.99/8,376.48
  6. Step 6: Final answer
    x = 4,247.58

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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.