Home / 6,890.77-10,335.55-2,729.70

Finding the Fourth Proportional to 6,890.77, 10,335.55 and 2,729.70

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Solution

The fourth proportional to 6,890.77, 10,335.55 and 2,729.70 is: 4,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.77 : 10,335.55 = 2,729.70 : x
  2. Step 2: Convert to fraction form
    6,890.77/10,335.55 = 2,729.70/x
  3. Step 3: Cross multiply
    6,890.77x = 10,335.55 × 2,729.70
  4. Step 4: Simplify right side
    6,890.77x = 28,212,949.13
  5. Step 5: Solve for x
    x = 28,212,949.13/6,890.77
  6. Step 6: Final answer
    x = 4,094.31

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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.