Home / 8,434.99-12,651.19-2,887.06

Finding the Fourth Proportional to 8,434.99, 12,651.19 and 2,887.06

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Solution

The fourth proportional to 8,434.99, 12,651.19 and 2,887.06 is: 4,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.99 : 12,651.19 = 2,887.06 : x
  2. Step 2: Convert to fraction form
    8,434.99/12,651.19 = 2,887.06/x
  3. Step 3: Cross multiply
    8,434.99x = 12,651.19 × 2,887.06
  4. Step 4: Simplify right side
    8,434.99x = 36,524,782.33
  5. Step 5: Solve for x
    x = 36,524,782.33/8,434.99
  6. Step 6: Final answer
    x = 4,330.15

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Double scale
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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.