Home / 6,987.96-10,449.54-5,410.08

Finding the Fourth Proportional to 6,987.96, 10,449.54 and 5,410.08

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Solution

The fourth proportional to 6,987.96, 10,449.54 and 5,410.08 is: 8,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.96 : 10,449.54 = 5,410.08 : x
  2. Step 2: Convert to fraction form
    6,987.96/10,449.54 = 5,410.08/x
  3. Step 3: Cross multiply
    6,987.96x = 10,449.54 × 5,410.08
  4. Step 4: Simplify right side
    6,987.96x = 56,532,847.36
  5. Step 5: Solve for x
    x = 56,532,847.36/6,987.96
  6. Step 6: Final answer
    x = 8,090.04

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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.