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Finding the Fourth Proportional to 8,594.70, 12,890.26 and 3,048.22

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Solution

The fourth proportional to 8,594.70, 12,890.26 and 3,048.22 is: 4,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,594.70 : 12,890.26 = 3,048.22 : x
  2. Step 2: Convert to fraction form
    8,594.70/12,890.26 = 3,048.22/x
  3. Step 3: Cross multiply
    8,594.70x = 12,890.26 × 3,048.22
  4. Step 4: Simplify right side
    8,594.70x = 39,292,348.34
  5. Step 5: Solve for x
    x = 39,292,348.34/8,594.70
  6. Step 6: Final answer
    x = 4,571.70

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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.