Home / 4,520.02-6,781.70-1,887.81

Finding the Fourth Proportional to 4,520.02, 6,781.70 and 1,887.81

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Solution

The fourth proportional to 4,520.02, 6,781.70 and 1,887.81 is: 2,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.02 : 6,781.70 = 1,887.81 : x
  2. Step 2: Convert to fraction form
    4,520.02/6,781.70 = 1,887.81/x
  3. Step 3: Cross multiply
    4,520.02x = 6,781.70 × 1,887.81
  4. Step 4: Simplify right side
    4,520.02x = 12,802,535.06
  5. Step 5: Solve for x
    x = 12,802,535.06/4,520.02
  6. Step 6: Final answer
    x = 2,832.41

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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.