Home / 5,297.07-7,309.96-2,939.21

Finding the Fourth Proportional to 5,297.07, 7,309.96 and 2,939.21

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Solution

The fourth proportional to 5,297.07, 7,309.96 and 2,939.21 is: 4,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.07 : 7,309.96 = 2,939.21 : x
  2. Step 2: Convert to fraction form
    5,297.07/7,309.96 = 2,939.21/x
  3. Step 3: Cross multiply
    5,297.07x = 7,309.96 × 2,939.21
  4. Step 4: Simplify right side
    5,297.07x = 21,485,463.63
  5. Step 5: Solve for x
    x = 21,485,463.63/5,297.07
  6. Step 6: Final answer
    x = 4,056.10

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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.