Home / 7,417.58-11,128.05-2,223.32

Finding the Fourth Proportional to 7,417.58, 11,128.05 and 2,223.32

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Solution

The fourth proportional to 7,417.58, 11,128.05 and 2,223.32 is: 3,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.58 : 11,128.05 = 2,223.32 : x
  2. Step 2: Convert to fraction form
    7,417.58/11,128.05 = 2,223.32/x
  3. Step 3: Cross multiply
    7,417.58x = 11,128.05 × 2,223.32
  4. Step 4: Simplify right side
    7,417.58x = 24,741,160.49
  5. Step 5: Solve for x
    x = 24,741,160.49/7,417.58
  6. Step 6: Final answer
    x = 3,335.48

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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.