Home / 8,267.57-12,401.35-2,111.57

Finding the Fourth Proportional to 8,267.57, 12,401.35 and 2,111.57

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Solution

The fourth proportional to 8,267.57, 12,401.35 and 2,111.57 is: 3,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.57 : 12,401.35 = 2,111.57 : x
  2. Step 2: Convert to fraction form
    8,267.57/12,401.35 = 2,111.57/x
  3. Step 3: Cross multiply
    8,267.57x = 12,401.35 × 2,111.57
  4. Step 4: Simplify right side
    8,267.57x = 26,186,256.61
  5. Step 5: Solve for x
    x = 26,186,256.61/8,267.57
  6. Step 6: Final answer
    x = 3,167.35

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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.