Home / 6,076.20-8,385-3,387.45

Finding the Fourth Proportional to 6,076.20, 8,385 and 3,387.45

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Solution

The fourth proportional to 6,076.20, 8,385 and 3,387.45 is: 4,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,076.20 : 8,385 = 3,387.45 : x
  2. Step 2: Convert to fraction form
    6,076.20/8,385 = 3,387.45/x
  3. Step 3: Cross multiply
    6,076.20x = 8,385 × 3,387.45
  4. Step 4: Simplify right side
    6,076.20x = 28,403,768.25
  5. Step 5: Solve for x
    x = 28,403,768.25/6,076.20
  6. Step 6: Final answer
    x = 4,674.59

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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.