Home / 6,740.54-9,301.99-3,909.60

Finding the Fourth Proportional to 6,740.54, 9,301.99 and 3,909.60

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Solution

The fourth proportional to 6,740.54, 9,301.99 and 3,909.60 is: 5,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.54 : 9,301.99 = 3,909.60 : x
  2. Step 2: Convert to fraction form
    6,740.54/9,301.99 = 3,909.60/x
  3. Step 3: Cross multiply
    6,740.54x = 9,301.99 × 3,909.60
  4. Step 4: Simplify right side
    6,740.54x = 36,366,994.05
  5. Step 5: Solve for x
    x = 36,366,994.05/6,740.54
  6. Step 6: Final answer
    x = 5,395.26

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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.