Home / 6,077.85-8,387.46-3,561.45

Finding the Fourth Proportional to 6,077.85, 8,387.46 and 3,561.45

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Solution

The fourth proportional to 6,077.85, 8,387.46 and 3,561.45 is: 4,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.85 : 8,387.46 = 3,561.45 : x
  2. Step 2: Convert to fraction form
    6,077.85/8,387.46 = 3,561.45/x
  3. Step 3: Cross multiply
    6,077.85x = 8,387.46 × 3,561.45
  4. Step 4: Simplify right side
    6,077.85x = 29,871,519.42
  5. Step 5: Solve for x
    x = 29,871,519.42/6,077.85
  6. Step 6: Final answer
    x = 4,914.82

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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.