Home / 6,635.64-9,950.28-3,122.67

Finding the Fourth Proportional to 6,635.64, 9,950.28 and 3,122.67

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Solution

The fourth proportional to 6,635.64, 9,950.28 and 3,122.67 is: 4,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.64 : 9,950.28 = 3,122.67 : x
  2. Step 2: Convert to fraction form
    6,635.64/9,950.28 = 3,122.67/x
  3. Step 3: Cross multiply
    6,635.64x = 9,950.28 × 3,122.67
  4. Step 4: Simplify right side
    6,635.64x = 31,071,440.85
  5. Step 5: Solve for x
    x = 31,071,440.85/6,635.64
  6. Step 6: Final answer
    x = 4,682.51

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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.