Home / 4,210.20-6,312.60-2,022.12

Finding the Fourth Proportional to 4,210.20, 6,312.60 and 2,022.12

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Solution

The fourth proportional to 4,210.20, 6,312.60 and 2,022.12 is: 3,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.20 : 6,312.60 = 2,022.12 : x
  2. Step 2: Convert to fraction form
    4,210.20/6,312.60 = 2,022.12/x
  3. Step 3: Cross multiply
    4,210.20x = 6,312.60 × 2,022.12
  4. Step 4: Simplify right side
    4,210.20x = 12,764,834.71
  5. Step 5: Solve for x
    x = 12,764,834.71/4,210.20
  6. Step 6: Final answer
    x = 3,031.88

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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.