Home / 6,129.28-8,458.36-3,334.80

Finding the Fourth Proportional to 6,129.28, 8,458.36 and 3,334.80

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Solution

The fourth proportional to 6,129.28, 8,458.36 and 3,334.80 is: 4,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.28 : 8,458.36 = 3,334.80 : x
  2. Step 2: Convert to fraction form
    6,129.28/8,458.36 = 3,334.80/x
  3. Step 3: Cross multiply
    6,129.28x = 8,458.36 × 3,334.80
  4. Step 4: Simplify right side
    6,129.28x = 28,206,938.93
  5. Step 5: Solve for x
    x = 28,206,938.93/6,129.28
  6. Step 6: Final answer
    x = 4,602.00

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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.