Home / 6,909.29-9,534.81-3,765.47

Finding the Fourth Proportional to 6,909.29, 9,534.81 and 3,765.47

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Solution

The fourth proportional to 6,909.29, 9,534.81 and 3,765.47 is: 5,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.29 : 9,534.81 = 3,765.47 : x
  2. Step 2: Convert to fraction form
    6,909.29/9,534.81 = 3,765.47/x
  3. Step 3: Cross multiply
    6,909.29x = 9,534.81 × 3,765.47
  4. Step 4: Simplify right side
    6,909.29x = 35,902,993.34
  5. Step 5: Solve for x
    x = 35,902,993.34/6,909.29
  6. Step 6: Final answer
    x = 5,196.34

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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.