Home / 8,269.82-11,412.60-4,684.72

Finding the Fourth Proportional to 8,269.82, 11,412.60 and 4,684.72

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Solution

The fourth proportional to 8,269.82, 11,412.60 and 4,684.72 is: 6,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.82 : 11,412.60 = 4,684.72 : x
  2. Step 2: Convert to fraction form
    8,269.82/11,412.60 = 4,684.72/x
  3. Step 3: Cross multiply
    8,269.82x = 11,412.60 × 4,684.72
  4. Step 4: Simplify right side
    8,269.82x = 53,464,835.47
  5. Step 5: Solve for x
    x = 53,464,835.47/8,269.82
  6. Step 6: Final answer
    x = 6,465.05

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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.