Home / 4,209.63-6,315.18-1,436.59

Finding the Fourth Proportional to 4,209.63, 6,315.18 and 1,436.59

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Solution

The fourth proportional to 4,209.63, 6,315.18 and 1,436.59 is: 2,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.63 : 6,315.18 = 1,436.59 : x
  2. Step 2: Convert to fraction form
    4,209.63/6,315.18 = 1,436.59/x
  3. Step 3: Cross multiply
    4,209.63x = 6,315.18 × 1,436.59
  4. Step 4: Simplify right side
    4,209.63x = 9,072,324.44
  5. Step 5: Solve for x
    x = 9,072,324.44/4,209.63
  6. Step 6: Final answer
    x = 2,155.14

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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.