Home / 6,899.84-10,349.77-1,705.71

Finding the Fourth Proportional to 6,899.84, 10,349.77 and 1,705.71

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Solution

The fourth proportional to 6,899.84, 10,349.77 and 1,705.71 is: 2,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.84 : 10,349.77 = 1,705.71 : x
  2. Step 2: Convert to fraction form
    6,899.84/10,349.77 = 1,705.71/x
  3. Step 3: Cross multiply
    6,899.84x = 10,349.77 × 1,705.71
  4. Step 4: Simplify right side
    6,899.84x = 17,653,701.92
  5. Step 5: Solve for x
    x = 17,653,701.92/6,899.84
  6. Step 6: Final answer
    x = 2,558.57

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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.