Home / 6,147.72-8,484.44-3,630.60

Finding the Fourth Proportional to 6,147.72, 8,484.44 and 3,630.60

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Solution

The fourth proportional to 6,147.72, 8,484.44 and 3,630.60 is: 5,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.72 : 8,484.44 = 3,630.60 : x
  2. Step 2: Convert to fraction form
    6,147.72/8,484.44 = 3,630.60/x
  3. Step 3: Cross multiply
    6,147.72x = 8,484.44 × 3,630.60
  4. Step 4: Simplify right side
    6,147.72x = 30,803,589.71
  5. Step 5: Solve for x
    x = 30,803,589.71/6,147.72
  6. Step 6: Final answer
    x = 5,010.57

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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.