Home / 6,985.26-9,639.66-3,841.44

Finding the Fourth Proportional to 6,985.26, 9,639.66 and 3,841.44

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Solution

The fourth proportional to 6,985.26, 9,639.66 and 3,841.44 is: 5,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.26 : 9,639.66 = 3,841.44 : x
  2. Step 2: Convert to fraction form
    6,985.26/9,639.66 = 3,841.44/x
  3. Step 3: Cross multiply
    6,985.26x = 9,639.66 × 3,841.44
  4. Step 4: Simplify right side
    6,985.26x = 37,030,175.51
  5. Step 5: Solve for x
    x = 37,030,175.51/6,985.26
  6. Step 6: Final answer
    x = 5,301.19

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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.