Home / 5,261.67-7,887.02-2,140.43

Finding the Fourth Proportional to 5,261.67, 7,887.02 and 2,140.43

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Solution

The fourth proportional to 5,261.67, 7,887.02 and 2,140.43 is: 3,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.67 : 7,887.02 = 2,140.43 : x
  2. Step 2: Convert to fraction form
    5,261.67/7,887.02 = 2,140.43/x
  3. Step 3: Cross multiply
    5,261.67x = 7,887.02 × 2,140.43
  4. Step 4: Simplify right side
    5,261.67x = 16,881,564.08
  5. Step 5: Solve for x
    x = 16,881,564.08/5,261.67
  6. Step 6: Final answer
    x = 3,208.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.