Home / 7,014.03-9,679.32-3,827.28

Finding the Fourth Proportional to 7,014.03, 9,679.32 and 3,827.28

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Solution

The fourth proportional to 7,014.03, 9,679.32 and 3,827.28 is: 5,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.03 : 9,679.32 = 3,827.28 : x
  2. Step 2: Convert to fraction form
    7,014.03/9,679.32 = 3,827.28/x
  3. Step 3: Cross multiply
    7,014.03x = 9,679.32 × 3,827.28
  4. Step 4: Simplify right side
    7,014.03x = 37,045,467.85
  5. Step 5: Solve for x
    x = 37,045,467.85/7,014.03
  6. Step 6: Final answer
    x = 5,281.62

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1.5x scale

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.