Home / 8,344.12-11,509.32-5,355.22

Finding the Fourth Proportional to 8,344.12, 11,509.32 and 5,355.22

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Solution

The fourth proportional to 8,344.12, 11,509.32 and 5,355.22 is: 7,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.12 : 11,509.32 = 5,355.22 : x
  2. Step 2: Convert to fraction form
    8,344.12/11,509.32 = 5,355.22/x
  3. Step 3: Cross multiply
    8,344.12x = 11,509.32 × 5,355.22
  4. Step 4: Simplify right side
    8,344.12x = 61,634,940.65
  5. Step 5: Solve for x
    x = 61,634,940.65/8,344.12
  6. Step 6: Final answer
    x = 7,386.63

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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.