Home / 8,142.51-12,214.64-2,594.55

Finding the Fourth Proportional to 8,142.51, 12,214.64 and 2,594.55

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Solution

The fourth proportional to 8,142.51, 12,214.64 and 2,594.55 is: 3,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.51 : 12,214.64 = 2,594.55 : x
  2. Step 2: Convert to fraction form
    8,142.51/12,214.64 = 2,594.55/x
  3. Step 3: Cross multiply
    8,142.51x = 12,214.64 × 2,594.55
  4. Step 4: Simplify right side
    8,142.51x = 31,691,439.63
  5. Step 5: Solve for x
    x = 31,691,439.63/8,142.51
  6. Step 6: Final answer
    x = 3,892.10

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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.