Home / 6,129.48-8,453.76-4,004.84

Finding the Fourth Proportional to 6,129.48, 8,453.76 and 4,004.84

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Solution

The fourth proportional to 6,129.48, 8,453.76 and 4,004.84 is: 5,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.48 : 8,453.76 = 4,004.84 : x
  2. Step 2: Convert to fraction form
    6,129.48/8,453.76 = 4,004.84/x
  3. Step 3: Cross multiply
    6,129.48x = 8,453.76 × 4,004.84
  4. Step 4: Simplify right side
    6,129.48x = 33,855,956.20
  5. Step 5: Solve for x
    x = 33,855,956.20/6,129.48
  6. Step 6: Final answer
    x = 5,523.46

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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.