Home / 8,127.95-11,216.55-4,401.95

Finding the Fourth Proportional to 8,127.95, 11,216.55 and 4,401.95

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Solution

The fourth proportional to 8,127.95, 11,216.55 and 4,401.95 is: 6,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.95 : 11,216.55 = 4,401.95 : x
  2. Step 2: Convert to fraction form
    8,127.95/11,216.55 = 4,401.95/x
  3. Step 3: Cross multiply
    8,127.95x = 11,216.55 × 4,401.95
  4. Step 4: Simplify right side
    8,127.95x = 49,374,636.19
  5. Step 5: Solve for x
    x = 49,374,636.19/8,127.95
  6. Step 6: Final answer
    x = 6,074.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.