Home / 4,200.75-5,798.25-2,803.50

Finding the Fourth Proportional to 4,200.75, 5,798.25 and 2,803.50

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Solution

The fourth proportional to 4,200.75, 5,798.25 and 2,803.50 is: 3,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.75 : 5,798.25 = 2,803.50 : x
  2. Step 2: Convert to fraction form
    4,200.75/5,798.25 = 2,803.50/x
  3. Step 3: Cross multiply
    4,200.75x = 5,798.25 × 2,803.50
  4. Step 4: Simplify right side
    4,200.75x = 16,255,393.88
  5. Step 5: Solve for x
    x = 16,255,393.88/4,200.75
  6. Step 6: Final answer
    x = 3,869.64

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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.