Home / 7,137.23-10,706.45-2,206.76

Finding the Fourth Proportional to 7,137.23, 10,706.45 and 2,206.76

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Solution

The fourth proportional to 7,137.23, 10,706.45 and 2,206.76 is: 3,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.23 : 10,706.45 = 2,206.76 : x
  2. Step 2: Convert to fraction form
    7,137.23/10,706.45 = 2,206.76/x
  3. Step 3: Cross multiply
    7,137.23x = 10,706.45 × 2,206.76
  4. Step 4: Simplify right side
    7,137.23x = 23,626,501.04
  5. Step 5: Solve for x
    x = 23,626,501.04/7,137.23
  6. Step 6: Final answer
    x = 3,310.32

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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.