Home / 5,423.94-7,485.36-3,066.30

Finding the Fourth Proportional to 5,423.94, 7,485.36 and 3,066.30

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Solution

The fourth proportional to 5,423.94, 7,485.36 and 3,066.30 is: 4,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.94 : 7,485.36 = 3,066.30 : x
  2. Step 2: Convert to fraction form
    5,423.94/7,485.36 = 3,066.30/x
  3. Step 3: Cross multiply
    5,423.94x = 7,485.36 × 3,066.30
  4. Step 4: Simplify right side
    5,423.94x = 22,952,359.37
  5. Step 5: Solve for x
    x = 22,952,359.37/5,423.94
  6. Step 6: Final answer
    x = 4,231.68

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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.