Home / 8,907.90-13,361.88-6,126.18

Finding the Fourth Proportional to 8,907.90, 13,361.88 and 6,126.18

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Solution

The fourth proportional to 8,907.90, 13,361.88 and 6,126.18 is: 9,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.90 : 13,361.88 = 6,126.18 : x
  2. Step 2: Convert to fraction form
    8,907.90/13,361.88 = 6,126.18/x
  3. Step 3: Cross multiply
    8,907.90x = 13,361.88 × 6,126.18
  4. Step 4: Simplify right side
    8,907.90x = 81,857,282.02
  5. Step 5: Solve for x
    x = 81,857,282.02/8,907.90
  6. Step 6: Final answer
    x = 9,189.29

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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.