Home / 4,779.81-6,579.77-4,146.62

Finding the Fourth Proportional to 4,779.81, 6,579.77 and 4,146.62

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Solution

The fourth proportional to 4,779.81, 6,579.77 and 4,146.62 is: 5,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.81 : 6,579.77 = 4,146.62 : x
  2. Step 2: Convert to fraction form
    4,779.81/6,579.77 = 4,146.62/x
  3. Step 3: Cross multiply
    4,779.81x = 6,579.77 × 4,146.62
  4. Step 4: Simplify right side
    4,779.81x = 27,283,752.25
  5. Step 5: Solve for x
    x = 27,283,752.25/4,779.81
  6. Step 6: Final answer
    x = 5,708.12

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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.