Home / 6,930.21-10,397.18-2,000.28

Finding the Fourth Proportional to 6,930.21, 10,397.18 and 2,000.28

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Solution

The fourth proportional to 6,930.21, 10,397.18 and 2,000.28 is: 3,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.21 : 10,397.18 = 2,000.28 : x
  2. Step 2: Convert to fraction form
    6,930.21/10,397.18 = 2,000.28/x
  3. Step 3: Cross multiply
    6,930.21x = 10,397.18 × 2,000.28
  4. Step 4: Simplify right side
    6,930.21x = 20,797,271.21
  5. Step 5: Solve for x
    x = 20,797,271.21/6,930.21
  6. Step 6: Final answer
    x = 3,000.96

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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.