Home / 8,021.60-12,032.40-2,826.80

Finding the Fourth Proportional to 8,021.60, 12,032.40 and 2,826.80

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Solution

The fourth proportional to 8,021.60, 12,032.40 and 2,826.80 is: 4,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.60 : 12,032.40 = 2,826.80 : x
  2. Step 2: Convert to fraction form
    8,021.60/12,032.40 = 2,826.80/x
  3. Step 3: Cross multiply
    8,021.60x = 12,032.40 × 2,826.80
  4. Step 4: Simplify right side
    8,021.60x = 34,013,188.32
  5. Step 5: Solve for x
    x = 34,013,188.32/8,021.60
  6. Step 6: Final answer
    x = 4,240.20

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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.