Home / 8,124.81-12,187.22-2,930.69

Finding the Fourth Proportional to 8,124.81, 12,187.22 and 2,930.69

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Solution

The fourth proportional to 8,124.81, 12,187.22 and 2,930.69 is: 4,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.81 : 12,187.22 = 2,930.69 : x
  2. Step 2: Convert to fraction form
    8,124.81/12,187.22 = 2,930.69/x
  3. Step 3: Cross multiply
    8,124.81x = 12,187.22 × 2,930.69
  4. Step 4: Simplify right side
    8,124.81x = 35,716,888.19
  5. Step 5: Solve for x
    x = 35,716,888.19/8,124.81
  6. Step 6: Final answer
    x = 4,396.03

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Similar ratio
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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.