Home / 5,647.04-7,793.28-3,289.28

Finding the Fourth Proportional to 5,647.04, 7,793.28 and 3,289.28

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Solution

The fourth proportional to 5,647.04, 7,793.28 and 3,289.28 is: 4,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.04 : 7,793.28 = 3,289.28 : x
  2. Step 2: Convert to fraction form
    5,647.04/7,793.28 = 3,289.28/x
  3. Step 3: Cross multiply
    5,647.04x = 7,793.28 × 3,289.28
  4. Step 4: Simplify right side
    5,647.04x = 25,634,280.04
  5. Step 5: Solve for x
    x = 25,634,280.04/5,647.04
  6. Step 6: Final answer
    x = 4,539.42

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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.