Home / 7,126.18-10,689.30-4,202.44

Finding the Fourth Proportional to 7,126.18, 10,689.30 and 4,202.44

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Solution

The fourth proportional to 7,126.18, 10,689.30 and 4,202.44 is: 6,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.18 : 10,689.30 = 4,202.44 : x
  2. Step 2: Convert to fraction form
    7,126.18/10,689.30 = 4,202.44/x
  3. Step 3: Cross multiply
    7,126.18x = 10,689.30 × 4,202.44
  4. Step 4: Simplify right side
    7,126.18x = 44,921,115.17
  5. Step 5: Solve for x
    x = 44,921,115.17/7,126.18
  6. Step 6: Final answer
    x = 6,303.67

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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.