Home / 8,436.80-11,645.04-4,899.26

Finding the Fourth Proportional to 8,436.80, 11,645.04 and 4,899.26

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Solution

The fourth proportional to 8,436.80, 11,645.04 and 4,899.26 is: 6,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.80 : 11,645.04 = 4,899.26 : x
  2. Step 2: Convert to fraction form
    8,436.80/11,645.04 = 4,899.26/x
  3. Step 3: Cross multiply
    8,436.80x = 11,645.04 × 4,899.26
  4. Step 4: Simplify right side
    8,436.80x = 57,052,078.67
  5. Step 5: Solve for x
    x = 57,052,078.67/8,436.80
  6. Step 6: Final answer
    x = 6,762.29

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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.