Home / 8,110.10-12,106.49-7,125.95

Finding the Fourth Proportional to 8,110.10, 12,106.49 and 7,125.95

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Solution

The fourth proportional to 8,110.10, 12,106.49 and 7,125.95 is: 10,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.10 : 12,106.49 = 7,125.95 : x
  2. Step 2: Convert to fraction form
    8,110.10/12,106.49 = 7,125.95/x
  3. Step 3: Cross multiply
    8,110.10x = 12,106.49 × 7,125.95
  4. Step 4: Simplify right side
    8,110.10x = 86,270,146.25
  5. Step 5: Solve for x
    x = 86,270,146.25/8,110.10
  6. Step 6: Final answer
    x = 10,637.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.