Home / 7,507.21-10,359.22-4,149.48

Finding the Fourth Proportional to 7,507.21, 10,359.22 and 4,149.48

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Solution

The fourth proportional to 7,507.21, 10,359.22 and 4,149.48 is: 5,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.21 : 10,359.22 = 4,149.48 : x
  2. Step 2: Convert to fraction form
    7,507.21/10,359.22 = 4,149.48/x
  3. Step 3: Cross multiply
    7,507.21x = 10,359.22 × 4,149.48
  4. Step 4: Simplify right side
    7,507.21x = 42,985,376.21
  5. Step 5: Solve for x
    x = 42,985,376.21/7,507.21
  6. Step 6: Final answer
    x = 5,725.88

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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.