Home / 4,020.79-6,031.18-1,099.12

Finding the Fourth Proportional to 4,020.79, 6,031.18 and 1,099.12

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Solution

The fourth proportional to 4,020.79, 6,031.18 and 1,099.12 is: 1,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.79 : 6,031.18 = 1,099.12 : x
  2. Step 2: Convert to fraction form
    4,020.79/6,031.18 = 1,099.12/x
  3. Step 3: Cross multiply
    4,020.79x = 6,031.18 × 1,099.12
  4. Step 4: Simplify right side
    4,020.79x = 6,628,960.41
  5. Step 5: Solve for x
    x = 6,628,960.41/4,020.79
  6. Step 6: Final answer
    x = 1,648.67

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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.