Home / 4,869.96-6,720.66-2,774.04

Finding the Fourth Proportional to 4,869.96, 6,720.66 and 2,774.04

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Solution

The fourth proportional to 4,869.96, 6,720.66 and 2,774.04 is: 3,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.96 : 6,720.66 = 2,774.04 : x
  2. Step 2: Convert to fraction form
    4,869.96/6,720.66 = 2,774.04/x
  3. Step 3: Cross multiply
    4,869.96x = 6,720.66 × 2,774.04
  4. Step 4: Simplify right side
    4,869.96x = 18,643,379.67
  5. Step 5: Solve for x
    x = 18,643,379.67/4,869.96
  6. Step 6: Final answer
    x = 3,828.24

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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.