Home / 7,408.20-11,106.90-3,023.40

Finding the Fourth Proportional to 7,408.20, 11,106.90 and 3,023.40

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Solution

The fourth proportional to 7,408.20, 11,106.90 and 3,023.40 is: 4,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.20 : 11,106.90 = 3,023.40 : x
  2. Step 2: Convert to fraction form
    7,408.20/11,106.90 = 3,023.40/x
  3. Step 3: Cross multiply
    7,408.20x = 11,106.90 × 3,023.40
  4. Step 4: Simplify right side
    7,408.20x = 33,580,601.46
  5. Step 5: Solve for x
    x = 33,580,601.46/7,408.20
  6. Step 6: Final answer
    x = 4,532.90

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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.