Home / 7,621.59-11,412.36-6,132.90

Finding the Fourth Proportional to 7,621.59, 11,412.36 and 6,132.90

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Solution

The fourth proportional to 7,621.59, 11,412.36 and 6,132.90 is: 9,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.59 : 11,412.36 = 6,132.90 : x
  2. Step 2: Convert to fraction form
    7,621.59/11,412.36 = 6,132.90/x
  3. Step 3: Cross multiply
    7,621.59x = 11,412.36 × 6,132.90
  4. Step 4: Simplify right side
    7,621.59x = 69,990,862.64
  5. Step 5: Solve for x
    x = 69,990,862.64/7,621.59
  6. Step 6: Final answer
    x = 9,183.24

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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.