Home / 8,914.09-12,297.84-5,135.23

Finding the Fourth Proportional to 8,914.09, 12,297.84 and 5,135.23

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Solution

The fourth proportional to 8,914.09, 12,297.84 and 5,135.23 is: 7,084.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.09 : 12,297.84 = 5,135.23 : x
  2. Step 2: Convert to fraction form
    8,914.09/12,297.84 = 5,135.23/x
  3. Step 3: Cross multiply
    8,914.09x = 12,297.84 × 5,135.23
  4. Step 4: Simplify right side
    8,914.09x = 63,152,206.16
  5. Step 5: Solve for x
    x = 63,152,206.16/8,914.09
  6. Step 6: Final answer
    x = 7,084.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.