Home / 4,579.89-6,318.86-2,810.85

Finding the Fourth Proportional to 4,579.89, 6,318.86 and 2,810.85

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Solution

The fourth proportional to 4,579.89, 6,318.86 and 2,810.85 is: 3,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.89 : 6,318.86 = 2,810.85 : x
  2. Step 2: Convert to fraction form
    4,579.89/6,318.86 = 2,810.85/x
  3. Step 3: Cross multiply
    4,579.89x = 6,318.86 × 2,810.85
  4. Step 4: Simplify right side
    4,579.89x = 17,761,353.58
  5. Step 5: Solve for x
    x = 17,761,353.58/4,579.89
  6. Step 6: Final answer
    x = 3,878.12

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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.