Home / 4,209.40-6,307.70-3,556.60

Finding the Fourth Proportional to 4,209.40, 6,307.70 and 3,556.60

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Solution

The fourth proportional to 4,209.40, 6,307.70 and 3,556.60 is: 5,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.40 : 6,307.70 = 3,556.60 : x
  2. Step 2: Convert to fraction form
    4,209.40/6,307.70 = 3,556.60/x
  3. Step 3: Cross multiply
    4,209.40x = 6,307.70 × 3,556.60
  4. Step 4: Simplify right side
    4,209.40x = 22,433,965.82
  5. Step 5: Solve for x
    x = 22,433,965.82/4,209.40
  6. Step 6: Final answer
    x = 5,329.49

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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.