Home / 7,407.40-11,102.62-3,506.28

Finding the Fourth Proportional to 7,407.40, 11,102.62 and 3,506.28

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Solution

The fourth proportional to 7,407.40, 11,102.62 and 3,506.28 is: 5,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.40 : 11,102.62 = 3,506.28 : x
  2. Step 2: Convert to fraction form
    7,407.40/11,102.62 = 3,506.28/x
  3. Step 3: Cross multiply
    7,407.40x = 11,102.62 × 3,506.28
  4. Step 4: Simplify right side
    7,407.40x = 38,928,894.45
  5. Step 5: Solve for x
    x = 38,928,894.45/7,407.40
  6. Step 6: Final answer
    x = 5,255.41

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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.