Home / 5,676.23-8,518.19-1,978.44

Finding the Fourth Proportional to 5,676.23, 8,518.19 and 1,978.44

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Solution

The fourth proportional to 5,676.23, 8,518.19 and 1,978.44 is: 2,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.23 : 8,518.19 = 1,978.44 : x
  2. Step 2: Convert to fraction form
    5,676.23/8,518.19 = 1,978.44/x
  3. Step 3: Cross multiply
    5,676.23x = 8,518.19 × 1,978.44
  4. Step 4: Simplify right side
    5,676.23x = 16,852,727.82
  5. Step 5: Solve for x
    x = 16,852,727.82/5,676.23
  6. Step 6: Final answer
    x = 2,969.00

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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.