Home / 6,280.64-8,668.44-4,042.16

Finding the Fourth Proportional to 6,280.64, 8,668.44 and 4,042.16

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Solution

The fourth proportional to 6,280.64, 8,668.44 and 4,042.16 is: 5,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.64 : 8,668.44 = 4,042.16 : x
  2. Step 2: Convert to fraction form
    6,280.64/8,668.44 = 4,042.16/x
  3. Step 3: Cross multiply
    6,280.64x = 8,668.44 × 4,042.16
  4. Step 4: Simplify right side
    6,280.64x = 35,039,221.43
  5. Step 5: Solve for x
    x = 35,039,221.43/6,280.64
  6. Step 6: Final answer
    x = 5,578.93

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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.