Home / 7,405.68-11,108.48-2,211.36

Finding the Fourth Proportional to 7,405.68, 11,108.48 and 2,211.36

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Solution

The fourth proportional to 7,405.68, 11,108.48 and 2,211.36 is: 3,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.68 : 11,108.48 = 2,211.36 : x
  2. Step 2: Convert to fraction form
    7,405.68/11,108.48 = 2,211.36/x
  3. Step 3: Cross multiply
    7,405.68x = 11,108.48 × 2,211.36
  4. Step 4: Simplify right side
    7,405.68x = 24,564,848.33
  5. Step 5: Solve for x
    x = 24,564,848.33/7,405.68
  6. Step 6: Final answer
    x = 3,317.03

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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.