Home / 4,327.27-6,488.75-1,405.19

Finding the Fourth Proportional to 4,327.27, 6,488.75 and 1,405.19

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Solution

The fourth proportional to 4,327.27, 6,488.75 and 1,405.19 is: 2,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.27 : 6,488.75 = 1,405.19 : x
  2. Step 2: Convert to fraction form
    4,327.27/6,488.75 = 1,405.19/x
  3. Step 3: Cross multiply
    4,327.27x = 6,488.75 × 1,405.19
  4. Step 4: Simplify right side
    4,327.27x = 9,117,946.35
  5. Step 5: Solve for x
    x = 9,117,946.35/4,327.27
  6. Step 6: Final answer
    x = 2,107.09

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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.