Home / 4,917.92-7,376.69-1,220.07

Finding the Fourth Proportional to 4,917.92, 7,376.69 and 1,220.07

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Solution

The fourth proportional to 4,917.92, 7,376.69 and 1,220.07 is: 1,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.92 : 7,376.69 = 1,220.07 : x
  2. Step 2: Convert to fraction form
    4,917.92/7,376.69 = 1,220.07/x
  3. Step 3: Cross multiply
    4,917.92x = 7,376.69 × 1,220.07
  4. Step 4: Simplify right side
    4,917.92x = 9,000,072.07
  5. Step 5: Solve for x
    x = 9,000,072.07/4,917.92
  6. Step 6: Final answer
    x = 1,830.06

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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.