Home / 5,325.51-7,988.55-1,627.86

Finding the Fourth Proportional to 5,325.51, 7,988.55 and 1,627.86

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Solution

The fourth proportional to 5,325.51, 7,988.55 and 1,627.86 is: 2,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.51 : 7,988.55 = 1,627.86 : x
  2. Step 2: Convert to fraction form
    5,325.51/7,988.55 = 1,627.86/x
  3. Step 3: Cross multiply
    5,325.51x = 7,988.55 × 1,627.86
  4. Step 4: Simplify right side
    5,325.51x = 13,004,241.00
  5. Step 5: Solve for x
    x = 13,004,241.00/5,325.51
  6. Step 6: Final answer
    x = 2,441.88

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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.