Home / 5,253.96-7,880.98-2,133.02

Finding the Fourth Proportional to 5,253.96, 7,880.98 and 2,133.02

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Solution

The fourth proportional to 5,253.96, 7,880.98 and 2,133.02 is: 3,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.96 : 7,880.98 = 2,133.02 : x
  2. Step 2: Convert to fraction form
    5,253.96/7,880.98 = 2,133.02/x
  3. Step 3: Cross multiply
    5,253.96x = 7,880.98 × 2,133.02
  4. Step 4: Simplify right side
    5,253.96x = 16,810,287.96
  5. Step 5: Solve for x
    x = 16,810,287.96/5,253.96
  6. Step 6: Final answer
    x = 3,199.55

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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.