Home / 6,079.79-8,390.09-3,285.29

Finding the Fourth Proportional to 6,079.79, 8,390.09 and 3,285.29

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Solution

The fourth proportional to 6,079.79, 8,390.09 and 3,285.29 is: 4,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.79 : 8,390.09 = 3,285.29 : x
  2. Step 2: Convert to fraction form
    6,079.79/8,390.09 = 3,285.29/x
  3. Step 3: Cross multiply
    6,079.79x = 8,390.09 × 3,285.29
  4. Step 4: Simplify right side
    6,079.79x = 27,563,907.96
  5. Step 5: Solve for x
    x = 27,563,907.96/6,079.79
  6. Step 6: Final answer
    x = 4,533.69

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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.