Home / 8,108.40-12,148.20-5,026.80

Finding the Fourth Proportional to 8,108.40, 12,148.20 and 5,026.80

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Solution

The fourth proportional to 8,108.40, 12,148.20 and 5,026.80 is: 7,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.40 : 12,148.20 = 5,026.80 : x
  2. Step 2: Convert to fraction form
    8,108.40/12,148.20 = 5,026.80/x
  3. Step 3: Cross multiply
    8,108.40x = 12,148.20 × 5,026.80
  4. Step 4: Simplify right side
    8,108.40x = 61,066,571.76
  5. Step 5: Solve for x
    x = 61,066,571.76/8,108.40
  6. Step 6: Final answer
    x = 7,531.27

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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.