Home / 4,645.18-6,415.64-3,150.50

Finding the Fourth Proportional to 4,645.18, 6,415.64 and 3,150.50

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Solution

The fourth proportional to 4,645.18, 6,415.64 and 3,150.50 is: 4,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.18 : 6,415.64 = 3,150.50 : x
  2. Step 2: Convert to fraction form
    4,645.18/6,415.64 = 3,150.50/x
  3. Step 3: Cross multiply
    4,645.18x = 6,415.64 × 3,150.50
  4. Step 4: Simplify right side
    4,645.18x = 20,212,437.80
  5. Step 5: Solve for x
    x = 20,212,437.80/4,645.18
  6. Step 6: Final answer
    x = 4,351.27

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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.