Home / 4,267.68-6,401.47-1,105.12

Finding the Fourth Proportional to 4,267.68, 6,401.47 and 1,105.12

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Solution

The fourth proportional to 4,267.68, 6,401.47 and 1,105.12 is: 1,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.68 : 6,401.47 = 1,105.12 : x
  2. Step 2: Convert to fraction form
    4,267.68/6,401.47 = 1,105.12/x
  3. Step 3: Cross multiply
    4,267.68x = 6,401.47 × 1,105.12
  4. Step 4: Simplify right side
    4,267.68x = 7,074,392.53
  5. Step 5: Solve for x
    x = 7,074,392.53/4,267.68
  6. Step 6: Final answer
    x = 1,657.67

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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.