Home / 7,507.21-11,254.53-3,556.21

Finding the Fourth Proportional to 7,507.21, 11,254.53 and 3,556.21

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Solution

The fourth proportional to 7,507.21, 11,254.53 and 3,556.21 is: 5,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.21 : 11,254.53 = 3,556.21 : x
  2. Step 2: Convert to fraction form
    7,507.21/11,254.53 = 3,556.21/x
  3. Step 3: Cross multiply
    7,507.21x = 11,254.53 × 3,556.21
  4. Step 4: Simplify right side
    7,507.21x = 40,023,454.35
  5. Step 5: Solve for x
    x = 40,023,454.35/7,507.21
  6. Step 6: Final answer
    x = 5,331.34

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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.