Home / 8,861.39-13,292.08-2,620.91

Finding the Fourth Proportional to 8,861.39, 13,292.08 and 2,620.91

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Solution

The fourth proportional to 8,861.39, 13,292.08 and 2,620.91 is: 3,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.39 : 13,292.08 = 2,620.91 : x
  2. Step 2: Convert to fraction form
    8,861.39/13,292.08 = 2,620.91/x
  3. Step 3: Cross multiply
    8,861.39x = 13,292.08 × 2,620.91
  4. Step 4: Simplify right side
    8,861.39x = 34,837,345.39
  5. Step 5: Solve for x
    x = 34,837,345.39/8,861.39
  6. Step 6: Final answer
    x = 3,931.37

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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.