Home / 4,329.50-6,493.98-1,209.68

Finding the Fourth Proportional to 4,329.50, 6,493.98 and 1,209.68

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Solution

The fourth proportional to 4,329.50, 6,493.98 and 1,209.68 is: 1,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.50 : 6,493.98 = 1,209.68 : x
  2. Step 2: Convert to fraction form
    4,329.50/6,493.98 = 1,209.68/x
  3. Step 3: Cross multiply
    4,329.50x = 6,493.98 × 1,209.68
  4. Step 4: Simplify right side
    4,329.50x = 7,855,634.15
  5. Step 5: Solve for x
    x = 7,855,634.15/4,329.50
  6. Step 6: Final answer
    x = 1,814.45

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1.5x scale

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.