Home / 8,945.52-13,408.20-4,007.76

Finding the Fourth Proportional to 8,945.52, 13,408.20 and 4,007.76

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Solution

The fourth proportional to 8,945.52, 13,408.20 and 4,007.76 is: 6,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.52 : 13,408.20 = 4,007.76 : x
  2. Step 2: Convert to fraction form
    8,945.52/13,408.20 = 4,007.76/x
  3. Step 3: Cross multiply
    8,945.52x = 13,408.20 × 4,007.76
  4. Step 4: Simplify right side
    8,945.52x = 53,736,847.63
  5. Step 5: Solve for x
    x = 53,736,847.63/8,945.52
  6. Step 6: Final answer
    x = 6,007.12

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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.