Home / 5,380.02-7,429.77-4,272.66

Finding the Fourth Proportional to 5,380.02, 7,429.77 and 4,272.66

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Solution

The fourth proportional to 5,380.02, 7,429.77 and 4,272.66 is: 5,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.02 : 7,429.77 = 4,272.66 : x
  2. Step 2: Convert to fraction form
    5,380.02/7,429.77 = 4,272.66/x
  3. Step 3: Cross multiply
    5,380.02x = 7,429.77 × 4,272.66
  4. Step 4: Simplify right side
    5,380.02x = 31,744,881.09
  5. Step 5: Solve for x
    x = 31,744,881.09/5,380.02
  6. Step 6: Final answer
    x = 5,900.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.