Home / 5,356.24-8,022.72-4,421.32

Finding the Fourth Proportional to 5,356.24, 8,022.72 and 4,421.32

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Solution

The fourth proportional to 5,356.24, 8,022.72 and 4,421.32 is: 6,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.24 : 8,022.72 = 4,421.32 : x
  2. Step 2: Convert to fraction form
    5,356.24/8,022.72 = 4,421.32/x
  3. Step 3: Cross multiply
    5,356.24x = 8,022.72 × 4,421.32
  4. Step 4: Simplify right side
    5,356.24x = 35,471,012.39
  5. Step 5: Solve for x
    x = 35,471,012.39/5,356.24
  6. Step 6: Final answer
    x = 6,622.37

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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.