Home / 5,420.94-8,133.87-5,333.58

Finding the Fourth Proportional to 5,420.94, 8,133.87 and 5,333.58

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Solution

The fourth proportional to 5,420.94, 8,133.87 and 5,333.58 is: 8,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.94 : 8,133.87 = 5,333.58 : x
  2. Step 2: Convert to fraction form
    5,420.94/8,133.87 = 5,333.58/x
  3. Step 3: Cross multiply
    5,420.94x = 8,133.87 × 5,333.58
  4. Step 4: Simplify right side
    5,420.94x = 43,382,646.35
  5. Step 5: Solve for x
    x = 43,382,646.35/5,420.94
  6. Step 6: Final answer
    x = 8,002.79

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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.