Home / 8,910.09-13,369.73-6,465.06

Finding the Fourth Proportional to 8,910.09, 13,369.73 and 6,465.06

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Solution

The fourth proportional to 8,910.09, 13,369.73 and 6,465.06 is: 9,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.09 : 13,369.73 = 6,465.06 : x
  2. Step 2: Convert to fraction form
    8,910.09/13,369.73 = 6,465.06/x
  3. Step 3: Cross multiply
    8,910.09x = 13,369.73 × 6,465.06
  4. Step 4: Simplify right side
    8,910.09x = 86,436,074.31
  5. Step 5: Solve for x
    x = 86,436,074.31/8,910.09
  6. Step 6: Final answer
    x = 9,700.92

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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.