Home / 7,822.36-11,718.42-4,349.08

Finding the Fourth Proportional to 7,822.36, 11,718.42 and 4,349.08

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Solution

The fourth proportional to 7,822.36, 11,718.42 and 4,349.08 is: 6,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.36 : 11,718.42 = 4,349.08 : x
  2. Step 2: Convert to fraction form
    7,822.36/11,718.42 = 4,349.08/x
  3. Step 3: Cross multiply
    7,822.36x = 11,718.42 × 4,349.08
  4. Step 4: Simplify right side
    7,822.36x = 50,964,295.01
  5. Step 5: Solve for x
    x = 50,964,295.01/7,822.36
  6. Step 6: Final answer
    x = 6,515.21

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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.