Home / 4,606.27-6,909.40-1,319.09

Finding the Fourth Proportional to 4,606.27, 6,909.40 and 1,319.09

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Solution

The fourth proportional to 4,606.27, 6,909.40 and 1,319.09 is: 1,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,606.27 : 6,909.40 = 1,319.09 : x
  2. Step 2: Convert to fraction form
    4,606.27/6,909.40 = 1,319.09/x
  3. Step 3: Cross multiply
    4,606.27x = 6,909.40 × 1,319.09
  4. Step 4: Simplify right side
    4,606.27x = 9,114,087.55
  5. Step 5: Solve for x
    x = 9,114,087.55/4,606.27
  6. Step 6: Final answer
    x = 1,978.63

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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.