Home / 4,309.40-5,946.04-2,819.50

Finding the Fourth Proportional to 4,309.40, 5,946.04 and 2,819.50

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Solution

The fourth proportional to 4,309.40, 5,946.04 and 2,819.50 is: 3,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.40 : 5,946.04 = 2,819.50 : x
  2. Step 2: Convert to fraction form
    4,309.40/5,946.04 = 2,819.50/x
  3. Step 3: Cross multiply
    4,309.40x = 5,946.04 × 2,819.50
  4. Step 4: Simplify right side
    4,309.40x = 16,764,859.78
  5. Step 5: Solve for x
    x = 16,764,859.78/4,309.40
  6. Step 6: Final answer
    x = 3,890.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.