Home / 6,988.21-9,644.20-3,844.40

Finding the Fourth Proportional to 6,988.21, 9,644.20 and 3,844.40

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Solution

The fourth proportional to 6,988.21, 9,644.20 and 3,844.40 is: 5,305.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.21 : 9,644.20 = 3,844.40 : x
  2. Step 2: Convert to fraction form
    6,988.21/9,644.20 = 3,844.40/x
  3. Step 3: Cross multiply
    6,988.21x = 9,644.20 × 3,844.40
  4. Step 4: Simplify right side
    6,988.21x = 37,076,104.65
  5. Step 5: Solve for x
    x = 37,076,104.65/6,988.21
  6. Step 6: Final answer
    x = 5,305.52

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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.