Home / 5,629.09-7,766.25-3,642.16

Finding the Fourth Proportional to 5,629.09, 7,766.25 and 3,642.16

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Solution

The fourth proportional to 5,629.09, 7,766.25 and 3,642.16 is: 5,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.09 : 7,766.25 = 3,642.16 : x
  2. Step 2: Convert to fraction form
    5,629.09/7,766.25 = 3,642.16/x
  3. Step 3: Cross multiply
    5,629.09x = 7,766.25 × 3,642.16
  4. Step 4: Simplify right side
    5,629.09x = 28,285,925.10
  5. Step 5: Solve for x
    x = 28,285,925.10/5,629.09
  6. Step 6: Final answer
    x = 5,024.96

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Why These Related Problems?

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