Home / 4,860.16-7,285.92-1,781.44

Finding the Fourth Proportional to 4,860.16, 7,285.92 and 1,781.44

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Solution

The fourth proportional to 4,860.16, 7,285.92 and 1,781.44 is: 2,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.16 : 7,285.92 = 1,781.44 : x
  2. Step 2: Convert to fraction form
    4,860.16/7,285.92 = 1,781.44/x
  3. Step 3: Cross multiply
    4,860.16x = 7,285.92 × 1,781.44
  4. Step 4: Simplify right side
    4,860.16x = 12,979,429.32
  5. Step 5: Solve for x
    x = 12,979,429.32/4,860.16
  6. Step 6: Final answer
    x = 2,670.58

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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.