Home / 7,530.55-11,293.80-3,147.10

Finding the Fourth Proportional to 7,530.55, 11,293.80 and 3,147.10

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Solution

The fourth proportional to 7,530.55, 11,293.80 and 3,147.10 is: 4,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.55 : 11,293.80 = 3,147.10 : x
  2. Step 2: Convert to fraction form
    7,530.55/11,293.80 = 3,147.10/x
  3. Step 3: Cross multiply
    7,530.55x = 11,293.80 × 3,147.10
  4. Step 4: Simplify right side
    7,530.55x = 35,542,717.98
  5. Step 5: Solve for x
    x = 35,542,717.98/7,530.55
  6. Step 6: Final answer
    x = 4,719.80

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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.