Home / 4,187.49-6,280.43-3,979.32

Finding the Fourth Proportional to 4,187.49, 6,280.43 and 3,979.32

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Solution

The fourth proportional to 4,187.49, 6,280.43 and 3,979.32 is: 5,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.49 : 6,280.43 = 3,979.32 : x
  2. Step 2: Convert to fraction form
    4,187.49/6,280.43 = 3,979.32/x
  3. Step 3: Cross multiply
    4,187.49x = 6,280.43 × 3,979.32
  4. Step 4: Simplify right side
    4,187.49x = 24,991,820.81
  5. Step 5: Solve for x
    x = 24,991,820.81/4,187.49
  6. Step 6: Final answer
    x = 5,968.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.