Home / 6,781.02-10,187.13-4,811.54

Finding the Fourth Proportional to 6,781.02, 10,187.13 and 4,811.54

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Solution

The fourth proportional to 6,781.02, 10,187.13 and 4,811.54 is: 7,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.02 : 10,187.13 = 4,811.54 : x
  2. Step 2: Convert to fraction form
    6,781.02/10,187.13 = 4,811.54/x
  3. Step 3: Cross multiply
    6,781.02x = 10,187.13 × 4,811.54
  4. Step 4: Simplify right side
    6,781.02x = 49,015,750.59
  5. Step 5: Solve for x
    x = 49,015,750.59/6,781.02
  6. Step 6: Final answer
    x = 7,228.38

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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.