Home / 5,757.24-8,638.74-2,678.84

Finding the Fourth Proportional to 5,757.24, 8,638.74 and 2,678.84

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Solution

The fourth proportional to 5,757.24, 8,638.74 and 2,678.84 is: 4,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.24 : 8,638.74 = 2,678.84 : x
  2. Step 2: Convert to fraction form
    5,757.24/8,638.74 = 2,678.84/x
  3. Step 3: Cross multiply
    5,757.24x = 8,638.74 × 2,678.84
  4. Step 4: Simplify right side
    5,757.24x = 23,141,802.26
  5. Step 5: Solve for x
    x = 23,141,802.26/5,757.24
  6. Step 6: Final answer
    x = 4,019.60

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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.