Home / 5,349.32-7,382.18-2,991.41

Finding the Fourth Proportional to 5,349.32, 7,382.18 and 2,991.41

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Solution

The fourth proportional to 5,349.32, 7,382.18 and 2,991.41 is: 4,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.32 : 7,382.18 = 2,991.41 : x
  2. Step 2: Convert to fraction form
    5,349.32/7,382.18 = 2,991.41/x
  3. Step 3: Cross multiply
    5,349.32x = 7,382.18 × 2,991.41
  4. Step 4: Simplify right side
    5,349.32x = 22,083,127.07
  5. Step 5: Solve for x
    x = 22,083,127.07/5,349.32
  6. Step 6: Final answer
    x = 4,128.21

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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.