Home / 4,555.25-6,831.45-1,781.16

Finding the Fourth Proportional to 4,555.25, 6,831.45 and 1,781.16

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Solution

The fourth proportional to 4,555.25, 6,831.45 and 1,781.16 is: 2,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.25 : 6,831.45 = 1,781.16 : x
  2. Step 2: Convert to fraction form
    4,555.25/6,831.45 = 1,781.16/x
  3. Step 3: Cross multiply
    4,555.25x = 6,831.45 × 1,781.16
  4. Step 4: Simplify right side
    4,555.25x = 12,167,905.48
  5. Step 5: Solve for x
    x = 12,167,905.48/4,555.25
  6. Step 6: Final answer
    x = 2,671.18

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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.