Home / 8,448.09-11,658.39-4,722.09

Finding the Fourth Proportional to 8,448.09, 11,658.39 and 4,722.09

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Solution

The fourth proportional to 8,448.09, 11,658.39 and 4,722.09 is: 6,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.09 : 11,658.39 = 4,722.09 : x
  2. Step 2: Convert to fraction form
    8,448.09/11,658.39 = 4,722.09/x
  3. Step 3: Cross multiply
    8,448.09x = 11,658.39 × 4,722.09
  4. Step 4: Simplify right side
    8,448.09x = 55,051,966.84
  5. Step 5: Solve for x
    x = 55,051,966.84/8,448.09
  6. Step 6: Final answer
    x = 6,516.50

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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.