Home / 8,220.63-12,336.41-3,026.51

Finding the Fourth Proportional to 8,220.63, 12,336.41 and 3,026.51

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Solution

The fourth proportional to 8,220.63, 12,336.41 and 3,026.51 is: 4,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.63 : 12,336.41 = 3,026.51 : x
  2. Step 2: Convert to fraction form
    8,220.63/12,336.41 = 3,026.51/x
  3. Step 3: Cross multiply
    8,220.63x = 12,336.41 × 3,026.51
  4. Step 4: Simplify right side
    8,220.63x = 37,336,191.41
  5. Step 5: Solve for x
    x = 37,336,191.41/8,220.63
  6. Step 6: Final answer
    x = 4,541.77

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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.