Home / 6,984.16-9,637.82-3,840.34

Finding the Fourth Proportional to 6,984.16, 9,637.82 and 3,840.34

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Solution

The fourth proportional to 6,984.16, 9,637.82 and 3,840.34 is: 5,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.16 : 9,637.82 = 3,840.34 : x
  2. Step 2: Convert to fraction form
    6,984.16/9,637.82 = 3,840.34/x
  3. Step 3: Cross multiply
    6,984.16x = 9,637.82 × 3,840.34
  4. Step 4: Simplify right side
    6,984.16x = 37,012,505.66
  5. Step 5: Solve for x
    x = 37,012,505.66/6,984.16
  6. Step 6: Final answer
    x = 5,299.49

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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.