Home / 8,908.07-13,345.07-5,399.15

Finding the Fourth Proportional to 8,908.07, 13,345.07 and 5,399.15

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Solution

The fourth proportional to 8,908.07, 13,345.07 and 5,399.15 is: 8,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.07 : 13,345.07 = 5,399.15 : x
  2. Step 2: Convert to fraction form
    8,908.07/13,345.07 = 5,399.15/x
  3. Step 3: Cross multiply
    8,908.07x = 13,345.07 × 5,399.15
  4. Step 4: Simplify right side
    8,908.07x = 72,051,940.97
  5. Step 5: Solve for x
    x = 72,051,940.97/8,908.07
  6. Step 6: Final answer
    x = 8,088.39

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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.