Home / 5,212.28-7,815.74-1,700.02

Finding the Fourth Proportional to 5,212.28, 7,815.74 and 1,700.02

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Solution

The fourth proportional to 5,212.28, 7,815.74 and 1,700.02 is: 2,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.28 : 7,815.74 = 1,700.02 : x
  2. Step 2: Convert to fraction form
    5,212.28/7,815.74 = 1,700.02/x
  3. Step 3: Cross multiply
    5,212.28x = 7,815.74 × 1,700.02
  4. Step 4: Simplify right side
    5,212.28x = 13,286,914.31
  5. Step 5: Solve for x
    x = 13,286,914.31/5,212.28
  6. Step 6: Final answer
    x = 2,549.16

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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.