Home / 6,420.22-9,630.23-2,037.62

Finding the Fourth Proportional to 6,420.22, 9,630.23 and 2,037.62

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Solution

The fourth proportional to 6,420.22, 9,630.23 and 2,037.62 is: 3,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.22 : 9,630.23 = 2,037.62 : x
  2. Step 2: Convert to fraction form
    6,420.22/9,630.23 = 2,037.62/x
  3. Step 3: Cross multiply
    6,420.22x = 9,630.23 × 2,037.62
  4. Step 4: Simplify right side
    6,420.22x = 19,622,763.14
  5. Step 5: Solve for x
    x = 19,622,763.14/6,420.22
  6. Step 6: Final answer
    x = 3,056.40

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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.