Home / 5,619-8,428.48-3,153.84

Finding the Fourth Proportional to 5,619, 8,428.48 and 3,153.84

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Solution

The fourth proportional to 5,619, 8,428.48 and 3,153.84 is: 4,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619 : 8,428.48 = 3,153.84 : x
  2. Step 2: Convert to fraction form
    5,619/8,428.48 = 3,153.84/x
  3. Step 3: Cross multiply
    5,619x = 8,428.48 × 3,153.84
  4. Step 4: Simplify right side
    5,619x = 26,582,077.36
  5. Step 5: Solve for x
    x = 26,582,077.36/5,619
  6. Step 6: Final answer
    x = 4,730.75

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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.