Home / 8,544.72-11,785.08-5,399.76

Finding the Fourth Proportional to 8,544.72, 11,785.08 and 5,399.76

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Solution

The fourth proportional to 8,544.72, 11,785.08 and 5,399.76 is: 7,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.72 : 11,785.08 = 5,399.76 : x
  2. Step 2: Convert to fraction form
    8,544.72/11,785.08 = 5,399.76/x
  3. Step 3: Cross multiply
    8,544.72x = 11,785.08 × 5,399.76
  4. Step 4: Simplify right side
    8,544.72x = 63,636,603.58
  5. Step 5: Solve for x
    x = 63,636,603.58/8,544.72
  6. Step 6: Final answer
    x = 7,447.48

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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.