Home / 8,401.88-12,604.65-2,558.34

Finding the Fourth Proportional to 8,401.88, 12,604.65 and 2,558.34

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Solution

The fourth proportional to 8,401.88, 12,604.65 and 2,558.34 is: 3,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.88 : 12,604.65 = 2,558.34 : x
  2. Step 2: Convert to fraction form
    8,401.88/12,604.65 = 2,558.34/x
  3. Step 3: Cross multiply
    8,401.88x = 12,604.65 × 2,558.34
  4. Step 4: Simplify right side
    8,401.88x = 32,246,980.28
  5. Step 5: Solve for x
    x = 32,246,980.28/8,401.88
  6. Step 6: Final answer
    x = 3,838.07

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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.