Home / 4,783.14-7,174.71-1,820.88

Finding the Fourth Proportional to 4,783.14, 7,174.71 and 1,820.88

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Solution

The fourth proportional to 4,783.14, 7,174.71 and 1,820.88 is: 2,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.14 : 7,174.71 = 1,820.88 : x
  2. Step 2: Convert to fraction form
    4,783.14/7,174.71 = 1,820.88/x
  3. Step 3: Cross multiply
    4,783.14x = 7,174.71 × 1,820.88
  4. Step 4: Simplify right side
    4,783.14x = 13,064,285.94
  5. Step 5: Solve for x
    x = 13,064,285.94/4,783.14
  6. Step 6: Final answer
    x = 2,731.32

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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.