Home / 6,279.03-9,455.07-4,647.15

Finding the Fourth Proportional to 6,279.03, 9,455.07 and 4,647.15

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Solution

The fourth proportional to 6,279.03, 9,455.07 and 4,647.15 is: 6,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.03 : 9,455.07 = 4,647.15 : x
  2. Step 2: Convert to fraction form
    6,279.03/9,455.07 = 4,647.15/x
  3. Step 3: Cross multiply
    6,279.03x = 9,455.07 × 4,647.15
  4. Step 4: Simplify right side
    6,279.03x = 43,939,128.55
  5. Step 5: Solve for x
    x = 43,939,128.55/6,279.03
  6. Step 6: Final answer
    x = 6,997.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.