Home / 8,419.07-12,628.60-2,263.07

Finding the Fourth Proportional to 8,419.07, 12,628.60 and 2,263.07

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Solution

The fourth proportional to 8,419.07, 12,628.60 and 2,263.07 is: 3,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.07 : 12,628.60 = 2,263.07 : x
  2. Step 2: Convert to fraction form
    8,419.07/12,628.60 = 2,263.07/x
  3. Step 3: Cross multiply
    8,419.07x = 12,628.60 × 2,263.07
  4. Step 4: Simplify right side
    8,419.07x = 28,579,342.66
  5. Step 5: Solve for x
    x = 28,579,342.66/8,419.07
  6. Step 6: Final answer
    x = 3,394.60

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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.