Home / 4,272.98-6,405.66-2,299.67

Finding the Fourth Proportional to 4,272.98, 6,405.66 and 2,299.67

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Solution

The fourth proportional to 4,272.98, 6,405.66 and 2,299.67 is: 3,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.98 : 6,405.66 = 2,299.67 : x
  2. Step 2: Convert to fraction form
    4,272.98/6,405.66 = 2,299.67/x
  3. Step 3: Cross multiply
    4,272.98x = 6,405.66 × 2,299.67
  4. Step 4: Simplify right side
    4,272.98x = 14,730,872.10
  5. Step 5: Solve for x
    x = 14,730,872.10/4,272.98
  6. Step 6: Final answer
    x = 3,447.45

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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.