Home / 5,634.21-7,772.63-3,645.42

Finding the Fourth Proportional to 5,634.21, 7,772.63 and 3,645.42

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Solution

The fourth proportional to 5,634.21, 7,772.63 and 3,645.42 is: 5,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.21 : 7,772.63 = 3,645.42 : x
  2. Step 2: Convert to fraction form
    5,634.21/7,772.63 = 3,645.42/x
  3. Step 3: Cross multiply
    5,634.21x = 7,772.63 × 3,645.42
  4. Step 4: Simplify right side
    5,634.21x = 28,334,443.76
  5. Step 5: Solve for x
    x = 28,334,443.76/5,634.21
  6. Step 6: Final answer
    x = 5,029.00

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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.