Home / 8,910.45-13,365.27-4,227.03

Finding the Fourth Proportional to 8,910.45, 13,365.27 and 4,227.03

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Solution

The fourth proportional to 8,910.45, 13,365.27 and 4,227.03 is: 6,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.45 : 13,365.27 = 4,227.03 : x
  2. Step 2: Convert to fraction form
    8,910.45/13,365.27 = 4,227.03/x
  3. Step 3: Cross multiply
    8,910.45x = 13,365.27 × 4,227.03
  4. Step 4: Simplify right side
    8,910.45x = 56,495,397.25
  5. Step 5: Solve for x
    x = 56,495,397.25/8,910.45
  6. Step 6: Final answer
    x = 6,340.35

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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.