Home / 8,154.09-12,228.06-2,605.95

Finding the Fourth Proportional to 8,154.09, 12,228.06 and 2,605.95

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Solution

The fourth proportional to 8,154.09, 12,228.06 and 2,605.95 is: 3,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.09 : 12,228.06 = 2,605.95 : x
  2. Step 2: Convert to fraction form
    8,154.09/12,228.06 = 2,605.95/x
  3. Step 3: Cross multiply
    8,154.09x = 12,228.06 × 2,605.95
  4. Step 4: Simplify right side
    8,154.09x = 31,865,688.34
  5. Step 5: Solve for x
    x = 31,865,688.34/8,154.09
  6. Step 6: Final answer
    x = 3,907.94

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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.