Home / 10,408.92-15,604.74-4,859.40

Finding the Fourth Proportional to 10,408.92, 15,604.74 and 4,859.40

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Solution

The fourth proportional to 10,408.92, 15,604.74 and 4,859.40 is: 7,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.92 : 15,604.74 = 4,859.40 : x
  2. Step 2: Convert to fraction form
    10,408.92/15,604.74 = 4,859.40/x
  3. Step 3: Cross multiply
    10,408.92x = 15,604.74 × 4,859.40
  4. Step 4: Simplify right side
    10,408.92x = 75,829,673.56
  5. Step 5: Solve for x
    x = 75,829,673.56/10,408.92
  6. Step 6: Final answer
    x = 7,285.07

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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.