Home / 4,869.36-6,720.30-2,773.89

Finding the Fourth Proportional to 4,869.36, 6,720.30 and 2,773.89

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Solution

The fourth proportional to 4,869.36, 6,720.30 and 2,773.89 is: 3,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.36 : 6,720.30 = 2,773.89 : x
  2. Step 2: Convert to fraction form
    4,869.36/6,720.30 = 2,773.89/x
  3. Step 3: Cross multiply
    4,869.36x = 6,720.30 × 2,773.89
  4. Step 4: Simplify right side
    4,869.36x = 18,641,372.97
  5. Step 5: Solve for x
    x = 18,641,372.97/4,869.36
  6. Step 6: Final answer
    x = 3,828.30

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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.