Home / 8,284.91-12,426.95-3,090.38

Finding the Fourth Proportional to 8,284.91, 12,426.95 and 3,090.38

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Solution

The fourth proportional to 8,284.91, 12,426.95 and 3,090.38 is: 4,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.91 : 12,426.95 = 3,090.38 : x
  2. Step 2: Convert to fraction form
    8,284.91/12,426.95 = 3,090.38/x
  3. Step 3: Cross multiply
    8,284.91x = 12,426.95 × 3,090.38
  4. Step 4: Simplify right side
    8,284.91x = 38,403,997.74
  5. Step 5: Solve for x
    x = 38,403,997.74/8,284.91
  6. Step 6: Final answer
    x = 4,635.42

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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.