Home / 5,627.78-8,442.63-1,731.46

Finding the Fourth Proportional to 5,627.78, 8,442.63 and 1,731.46

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Solution

The fourth proportional to 5,627.78, 8,442.63 and 1,731.46 is: 2,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.78 : 8,442.63 = 1,731.46 : x
  2. Step 2: Convert to fraction form
    5,627.78/8,442.63 = 1,731.46/x
  3. Step 3: Cross multiply
    5,627.78x = 8,442.63 × 1,731.46
  4. Step 4: Simplify right side
    5,627.78x = 14,618,076.14
  5. Step 5: Solve for x
    x = 14,618,076.14/5,627.78
  6. Step 6: Final answer
    x = 2,597.49

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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.