Home / 6,985.28-9,639.44-3,841.45

Finding the Fourth Proportional to 6,985.28, 9,639.44 and 3,841.45

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Solution

The fourth proportional to 6,985.28, 9,639.44 and 3,841.45 is: 5,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.28 : 9,639.44 = 3,841.45 : x
  2. Step 2: Convert to fraction form
    6,985.28/9,639.44 = 3,841.45/x
  3. Step 3: Cross multiply
    6,985.28x = 9,639.44 × 3,841.45
  4. Step 4: Simplify right side
    6,985.28x = 37,029,359.38
  5. Step 5: Solve for x
    x = 37,029,359.38/6,985.28
  6. Step 6: Final answer
    x = 5,301.06

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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.