Home / 8,815.64-13,214.34-4,653.05

Finding the Fourth Proportional to 8,815.64, 13,214.34 and 4,653.05

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Solution

The fourth proportional to 8,815.64, 13,214.34 and 4,653.05 is: 6,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.64 : 13,214.34 = 4,653.05 : x
  2. Step 2: Convert to fraction form
    8,815.64/13,214.34 = 4,653.05/x
  3. Step 3: Cross multiply
    8,815.64x = 13,214.34 × 4,653.05
  4. Step 4: Simplify right side
    8,815.64x = 61,486,918.67
  5. Step 5: Solve for x
    x = 61,486,918.67/8,815.64
  6. Step 6: Final answer
    x = 6,974.76

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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.