Home / 4,549.10-6,280.40-2,979.92

Finding the Fourth Proportional to 4,549.10, 6,280.40 and 2,979.92

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Solution

The fourth proportional to 4,549.10, 6,280.40 and 2,979.92 is: 4,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.10 : 6,280.40 = 2,979.92 : x
  2. Step 2: Convert to fraction form
    4,549.10/6,280.40 = 2,979.92/x
  3. Step 3: Cross multiply
    4,549.10x = 6,280.40 × 2,979.92
  4. Step 4: Simplify right side
    4,549.10x = 18,715,112.72
  5. Step 5: Solve for x
    x = 18,715,112.72/4,549.10
  6. Step 6: Final answer
    x = 4,114.03

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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.