Home / 6,315.12-9,469.34-2,803.60

Finding the Fourth Proportional to 6,315.12, 9,469.34 and 2,803.60

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Solution

The fourth proportional to 6,315.12, 9,469.34 and 2,803.60 is: 4,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.12 : 9,469.34 = 2,803.60 : x
  2. Step 2: Convert to fraction form
    6,315.12/9,469.34 = 2,803.60/x
  3. Step 3: Cross multiply
    6,315.12x = 9,469.34 × 2,803.60
  4. Step 4: Simplify right side
    6,315.12x = 26,548,241.62
  5. Step 5: Solve for x
    x = 26,548,241.62/6,315.12
  6. Step 6: Final answer
    x = 4,203.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.