Home / 5,779.84-8,669.36-2,314.64

Finding the Fourth Proportional to 5,779.84, 8,669.36 and 2,314.64

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Solution

The fourth proportional to 5,779.84, 8,669.36 and 2,314.64 is: 3,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.84 : 8,669.36 = 2,314.64 : x
  2. Step 2: Convert to fraction form
    5,779.84/8,669.36 = 2,314.64/x
  3. Step 3: Cross multiply
    5,779.84x = 8,669.36 × 2,314.64
  4. Step 4: Simplify right side
    5,779.84x = 20,066,447.43
  5. Step 5: Solve for x
    x = 20,066,447.43/5,779.84
  6. Step 6: Final answer
    x = 3,471.80

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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.