Home / 4,930.74-6,792.52-4,220.32

Finding the Fourth Proportional to 4,930.74, 6,792.52 and 4,220.32

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Solution

The fourth proportional to 4,930.74, 6,792.52 and 4,220.32 is: 5,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.74 : 6,792.52 = 4,220.32 : x
  2. Step 2: Convert to fraction form
    4,930.74/6,792.52 = 4,220.32/x
  3. Step 3: Cross multiply
    4,930.74x = 6,792.52 × 4,220.32
  4. Step 4: Simplify right side
    4,930.74x = 28,666,608.01
  5. Step 5: Solve for x
    x = 28,666,608.01/4,930.74
  6. Step 6: Final answer
    x = 5,813.86

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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.