Home / 8,910.80-13,355.26-5,007

Finding the Fourth Proportional to 8,910.80, 13,355.26 and 5,007

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Solution

The fourth proportional to 8,910.80, 13,355.26 and 5,007 is: 7,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.80 : 13,355.26 = 5,007 : x
  2. Step 2: Convert to fraction form
    8,910.80/13,355.26 = 5,007/x
  3. Step 3: Cross multiply
    8,910.80x = 13,355.26 × 5,007
  4. Step 4: Simplify right side
    8,910.80x = 66,869,786.82
  5. Step 5: Solve for x
    x = 66,869,786.82/8,910.80
  6. Step 6: Final answer
    x = 7,504.35

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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.