Home / 6,386.58-9,579.60-1,944.09

Finding the Fourth Proportional to 6,386.58, 9,579.60 and 1,944.09

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Solution

The fourth proportional to 6,386.58, 9,579.60 and 1,944.09 is: 2,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.58 : 9,579.60 = 1,944.09 : x
  2. Step 2: Convert to fraction form
    6,386.58/9,579.60 = 1,944.09/x
  3. Step 3: Cross multiply
    6,386.58x = 9,579.60 × 1,944.09
  4. Step 4: Simplify right side
    6,386.58x = 18,623,604.56
  5. Step 5: Solve for x
    x = 18,623,604.56/6,386.58
  6. Step 6: Final answer
    x = 2,916.05

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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.