Home / 8,106.61-11,186.90-4,521.68

Finding the Fourth Proportional to 8,106.61, 11,186.90 and 4,521.68

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Solution

The fourth proportional to 8,106.61, 11,186.90 and 4,521.68 is: 6,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.61 : 11,186.90 = 4,521.68 : x
  2. Step 2: Convert to fraction form
    8,106.61/11,186.90 = 4,521.68/x
  3. Step 3: Cross multiply
    8,106.61x = 11,186.90 × 4,521.68
  4. Step 4: Simplify right side
    8,106.61x = 50,583,581.99
  5. Step 5: Solve for x
    x = 50,583,581.99/8,106.61
  6. Step 6: Final answer
    x = 6,239.79

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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.