Home / 5,376.04-7,418.91-2,986

Finding the Fourth Proportional to 5,376.04, 7,418.91 and 2,986

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Solution

The fourth proportional to 5,376.04, 7,418.91 and 2,986 is: 4,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.04 : 7,418.91 = 2,986 : x
  2. Step 2: Convert to fraction form
    5,376.04/7,418.91 = 2,986/x
  3. Step 3: Cross multiply
    5,376.04x = 7,418.91 × 2,986
  4. Step 4: Simplify right side
    5,376.04x = 22,152,865.26
  5. Step 5: Solve for x
    x = 22,152,865.26/5,376.04
  6. Step 6: Final answer
    x = 4,120.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.