Home / 5,068.80-6,995.07-2,830.86

Finding the Fourth Proportional to 5,068.80, 6,995.07 and 2,830.86

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Solution

The fourth proportional to 5,068.80, 6,995.07 and 2,830.86 is: 3,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.80 : 6,995.07 = 2,830.86 : x
  2. Step 2: Convert to fraction form
    5,068.80/6,995.07 = 2,830.86/x
  3. Step 3: Cross multiply
    5,068.80x = 6,995.07 × 2,830.86
  4. Step 4: Simplify right side
    5,068.80x = 19,802,063.86
  5. Step 5: Solve for x
    x = 19,802,063.86/5,068.80
  6. Step 6: Final answer
    x = 3,906.66

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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.