Home / 8,214.83-11,336.50-4,678.05

Finding the Fourth Proportional to 8,214.83, 11,336.50 and 4,678.05

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Solution

The fourth proportional to 8,214.83, 11,336.50 and 4,678.05 is: 6,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.83 : 11,336.50 = 4,678.05 : x
  2. Step 2: Convert to fraction form
    8,214.83/11,336.50 = 4,678.05/x
  3. Step 3: Cross multiply
    8,214.83x = 11,336.50 × 4,678.05
  4. Step 4: Simplify right side
    8,214.83x = 53,032,713.83
  5. Step 5: Solve for x
    x = 53,032,713.83/8,214.83
  6. Step 6: Final answer
    x = 6,455.73

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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.