Home / 7,637.78-10,539.82-4,451.24

Finding the Fourth Proportional to 7,637.78, 10,539.82 and 4,451.24

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Solution

The fourth proportional to 7,637.78, 10,539.82 and 4,451.24 is: 6,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.78 : 10,539.82 = 4,451.24 : x
  2. Step 2: Convert to fraction form
    7,637.78/10,539.82 = 4,451.24/x
  3. Step 3: Cross multiply
    7,637.78x = 10,539.82 × 4,451.24
  4. Step 4: Simplify right side
    7,637.78x = 46,915,268.38
  5. Step 5: Solve for x
    x = 46,915,268.38/7,637.78
  6. Step 6: Final answer
    x = 6,142.53

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1.5x scale

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.