Home / 6,985.34-9,639.69-3,841.64

Finding the Fourth Proportional to 6,985.34, 9,639.69 and 3,841.64

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Solution

The fourth proportional to 6,985.34, 9,639.69 and 3,841.64 is: 5,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.34 : 9,639.69 = 3,841.64 : x
  2. Step 2: Convert to fraction form
    6,985.34/9,639.69 = 3,841.64/x
  3. Step 3: Cross multiply
    6,985.34x = 9,639.69 × 3,841.64
  4. Step 4: Simplify right side
    6,985.34x = 37,032,218.69
  5. Step 5: Solve for x
    x = 37,032,218.69/6,985.34
  6. Step 6: Final answer
    x = 5,301.42

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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.