Home / 6,899.97-10,349.86-1,705.85

Finding the Fourth Proportional to 6,899.97, 10,349.86 and 1,705.85

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Solution

The fourth proportional to 6,899.97, 10,349.86 and 1,705.85 is: 2,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.97 : 10,349.86 = 1,705.85 : x
  2. Step 2: Convert to fraction form
    6,899.97/10,349.86 = 1,705.85/x
  3. Step 3: Cross multiply
    6,899.97x = 10,349.86 × 1,705.85
  4. Step 4: Simplify right side
    6,899.97x = 17,655,308.68
  5. Step 5: Solve for x
    x = 17,655,308.68/6,899.97
  6. Step 6: Final answer
    x = 2,558.75

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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.