Home / 5,634.99-7,772.90-4,146.75

Finding the Fourth Proportional to 5,634.99, 7,772.90 and 4,146.75

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Solution

The fourth proportional to 5,634.99, 7,772.90 and 4,146.75 is: 5,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.99 : 7,772.90 = 4,146.75 : x
  2. Step 2: Convert to fraction form
    5,634.99/7,772.90 = 4,146.75/x
  3. Step 3: Cross multiply
    5,634.99x = 7,772.90 × 4,146.75
  4. Step 4: Simplify right side
    5,634.99x = 32,232,252.34
  5. Step 5: Solve for x
    x = 32,232,252.34/5,634.99
  6. Step 6: Final answer
    x = 5,720.02

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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.