Home / 8,975.18-13,458.81-4,813.94

Finding the Fourth Proportional to 8,975.18, 13,458.81 and 4,813.94

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Solution

The fourth proportional to 8,975.18, 13,458.81 and 4,813.94 is: 7,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.18 : 13,458.81 = 4,813.94 : x
  2. Step 2: Convert to fraction form
    8,975.18/13,458.81 = 4,813.94/x
  3. Step 3: Cross multiply
    8,975.18x = 13,458.81 × 4,813.94
  4. Step 4: Simplify right side
    8,975.18x = 64,789,903.81
  5. Step 5: Solve for x
    x = 64,789,903.81/8,975.18
  6. Step 6: Final answer
    x = 7,218.79

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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.