Home / 5,621.04-8,431.56-5,344.56

Finding the Fourth Proportional to 5,621.04, 8,431.56 and 5,344.56

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Solution

The fourth proportional to 5,621.04, 8,431.56 and 5,344.56 is: 8,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.04 : 8,431.56 = 5,344.56 : x
  2. Step 2: Convert to fraction form
    5,621.04/8,431.56 = 5,344.56/x
  3. Step 3: Cross multiply
    5,621.04x = 8,431.56 × 5,344.56
  4. Step 4: Simplify right side
    5,621.04x = 45,062,978.31
  5. Step 5: Solve for x
    x = 45,062,978.31/5,621.04
  6. Step 6: Final answer
    x = 8,016.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.