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Finding the Fourth Proportional to 5,325.58, 7,988.39 and 1,627.79

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Solution

The fourth proportional to 5,325.58, 7,988.39 and 1,627.79 is: 2,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.58 : 7,988.39 = 1,627.79 : x
  2. Step 2: Convert to fraction form
    5,325.58/7,988.39 = 1,627.79/x
  3. Step 3: Cross multiply
    5,325.58x = 7,988.39 × 1,627.79
  4. Step 4: Simplify right side
    5,325.58x = 13,003,452.40
  5. Step 5: Solve for x
    x = 13,003,452.40/5,325.58
  6. Step 6: Final answer
    x = 2,441.70

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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.