Home / 4,927.67-7,392.68-1,640.79

Finding the Fourth Proportional to 4,927.67, 7,392.68 and 1,640.79

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Solution

The fourth proportional to 4,927.67, 7,392.68 and 1,640.79 is: 2,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.67 : 7,392.68 = 1,640.79 : x
  2. Step 2: Convert to fraction form
    4,927.67/7,392.68 = 1,640.79/x
  3. Step 3: Cross multiply
    4,927.67x = 7,392.68 × 1,640.79
  4. Step 4: Simplify right side
    4,927.67x = 12,129,790.25
  5. Step 5: Solve for x
    x = 12,129,790.25/4,927.67
  6. Step 6: Final answer
    x = 2,461.57

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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.