Home / 7,639.53-11,458.09-4,676.96

Finding the Fourth Proportional to 7,639.53, 11,458.09 and 4,676.96

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Solution

The fourth proportional to 7,639.53, 11,458.09 and 4,676.96 is: 7,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.53 : 11,458.09 = 4,676.96 : x
  2. Step 2: Convert to fraction form
    7,639.53/11,458.09 = 4,676.96/x
  3. Step 3: Cross multiply
    7,639.53x = 11,458.09 × 4,676.96
  4. Step 4: Simplify right side
    7,639.53x = 53,588,947.93
  5. Step 5: Solve for x
    x = 53,588,947.93/7,639.53
  6. Step 6: Final answer
    x = 7,014.69

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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.