Home / 6,720.48-10,086.96-3,435.92

Finding the Fourth Proportional to 6,720.48, 10,086.96 and 3,435.92

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Solution

The fourth proportional to 6,720.48, 10,086.96 and 3,435.92 is: 5,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.48 : 10,086.96 = 3,435.92 : x
  2. Step 2: Convert to fraction form
    6,720.48/10,086.96 = 3,435.92/x
  3. Step 3: Cross multiply
    6,720.48x = 10,086.96 × 3,435.92
  4. Step 4: Simplify right side
    6,720.48x = 34,657,987.60
  5. Step 5: Solve for x
    x = 34,657,987.60/6,720.48
  6. Step 6: Final answer
    x = 5,157.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.