Home / 4,209.96-6,315.88-1,436.52

Finding the Fourth Proportional to 4,209.96, 6,315.88 and 1,436.52

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Solution

The fourth proportional to 4,209.96, 6,315.88 and 1,436.52 is: 2,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.96 : 6,315.88 = 1,436.52 : x
  2. Step 2: Convert to fraction form
    4,209.96/6,315.88 = 1,436.52/x
  3. Step 3: Cross multiply
    4,209.96x = 6,315.88 × 1,436.52
  4. Step 4: Simplify right side
    4,209.96x = 9,072,887.94
  5. Step 5: Solve for x
    x = 9,072,887.94/4,209.96
  6. Step 6: Final answer
    x = 2,155.10

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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.