Home / 8,104.02-12,156.03-2,907.06

Finding the Fourth Proportional to 8,104.02, 12,156.03 and 2,907.06

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Solution

The fourth proportional to 8,104.02, 12,156.03 and 2,907.06 is: 4,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.02 : 12,156.03 = 2,907.06 : x
  2. Step 2: Convert to fraction form
    8,104.02/12,156.03 = 2,907.06/x
  3. Step 3: Cross multiply
    8,104.02x = 12,156.03 × 2,907.06
  4. Step 4: Simplify right side
    8,104.02x = 35,338,308.57
  5. Step 5: Solve for x
    x = 35,338,308.57/8,104.02
  6. Step 6: Final answer
    x = 4,360.59

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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.