Home / 7,353.11-11,018.96-3,405.57

Finding the Fourth Proportional to 7,353.11, 11,018.96 and 3,405.57

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Solution

The fourth proportional to 7,353.11, 11,018.96 and 3,405.57 is: 5,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.11 : 11,018.96 = 3,405.57 : x
  2. Step 2: Convert to fraction form
    7,353.11/11,018.96 = 3,405.57/x
  3. Step 3: Cross multiply
    7,353.11x = 11,018.96 × 3,405.57
  4. Step 4: Simplify right side
    7,353.11x = 37,525,822.58
  5. Step 5: Solve for x
    x = 37,525,822.58/7,353.11
  6. Step 6: Final answer
    x = 5,103.40

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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.