Home / 8,859.36-12,222.81-5,498.67

Finding the Fourth Proportional to 8,859.36, 12,222.81 and 5,498.67

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Solution

The fourth proportional to 8,859.36, 12,222.81 and 5,498.67 is: 7,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.36 : 12,222.81 = 5,498.67 : x
  2. Step 2: Convert to fraction form
    8,859.36/12,222.81 = 5,498.67/x
  3. Step 3: Cross multiply
    8,859.36x = 12,222.81 × 5,498.67
  4. Step 4: Simplify right side
    8,859.36x = 67,209,198.66
  5. Step 5: Solve for x
    x = 67,209,198.66/8,859.36
  6. Step 6: Final answer
    x = 7,586.24

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.