Home / 8,453.26-12,681.37-2,907.18

Finding the Fourth Proportional to 8,453.26, 12,681.37 and 2,907.18

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Solution

The fourth proportional to 8,453.26, 12,681.37 and 2,907.18 is: 4,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.26 : 12,681.37 = 2,907.18 : x
  2. Step 2: Convert to fraction form
    8,453.26/12,681.37 = 2,907.18/x
  3. Step 3: Cross multiply
    8,453.26x = 12,681.37 × 2,907.18
  4. Step 4: Simplify right side
    8,453.26x = 36,867,025.24
  5. Step 5: Solve for x
    x = 36,867,025.24/8,453.26
  6. Step 6: Final answer
    x = 4,361.28

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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.