Home / 8,158.37-12,218.97-4,864.67

Finding the Fourth Proportional to 8,158.37, 12,218.97 and 4,864.67

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Solution

The fourth proportional to 8,158.37, 12,218.97 and 4,864.67 is: 7,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.37 : 12,218.97 = 4,864.67 : x
  2. Step 2: Convert to fraction form
    8,158.37/12,218.97 = 4,864.67/x
  3. Step 3: Cross multiply
    8,158.37x = 12,218.97 × 4,864.67
  4. Step 4: Simplify right side
    8,158.37x = 59,441,195.70
  5. Step 5: Solve for x
    x = 59,441,195.70/8,158.37
  6. Step 6: Final answer
    x = 7,285.91

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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.