Home / 8,216.51-11,338.43-4,631.67

Finding the Fourth Proportional to 8,216.51, 11,338.43 and 4,631.67

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Solution

The fourth proportional to 8,216.51, 11,338.43 and 4,631.67 is: 6,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.51 : 11,338.43 = 4,631.67 : x
  2. Step 2: Convert to fraction form
    8,216.51/11,338.43 = 4,631.67/x
  3. Step 3: Cross multiply
    8,216.51x = 11,338.43 × 4,631.67
  4. Step 4: Simplify right side
    8,216.51x = 52,515,842.92
  5. Step 5: Solve for x
    x = 52,515,842.92/8,216.51
  6. Step 6: Final answer
    x = 6,391.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.