Home / 4,427.61-6,112.31-3,430.64

Finding the Fourth Proportional to 4,427.61, 6,112.31 and 3,430.64

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Solution

The fourth proportional to 4,427.61, 6,112.31 and 3,430.64 is: 4,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.61 : 6,112.31 = 3,430.64 : x
  2. Step 2: Convert to fraction form
    4,427.61/6,112.31 = 3,430.64/x
  3. Step 3: Cross multiply
    4,427.61x = 6,112.31 × 3,430.64
  4. Step 4: Simplify right side
    4,427.61x = 20,969,087.46
  5. Step 5: Solve for x
    x = 20,969,087.46/4,427.61
  6. Step 6: Final answer
    x = 4,735.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.