Home / 5,372.98-7,412.85-3,382.81

Finding the Fourth Proportional to 5,372.98, 7,412.85 and 3,382.81

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Solution

The fourth proportional to 5,372.98, 7,412.85 and 3,382.81 is: 4,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.98 : 7,412.85 = 3,382.81 : x
  2. Step 2: Convert to fraction form
    5,372.98/7,412.85 = 3,382.81/x
  3. Step 3: Cross multiply
    5,372.98x = 7,412.85 × 3,382.81
  4. Step 4: Simplify right side
    5,372.98x = 25,076,244.58
  5. Step 5: Solve for x
    x = 25,076,244.58/5,372.98
  6. Step 6: Final answer
    x = 4,667.10

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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.