Home / 5,424.72-7,485.49-3,066.85

Finding the Fourth Proportional to 5,424.72, 7,485.49 and 3,066.85

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Solution

The fourth proportional to 5,424.72, 7,485.49 and 3,066.85 is: 4,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.72 : 7,485.49 = 3,066.85 : x
  2. Step 2: Convert to fraction form
    5,424.72/7,485.49 = 3,066.85/x
  3. Step 3: Cross multiply
    5,424.72x = 7,485.49 × 3,066.85
  4. Step 4: Simplify right side
    5,424.72x = 22,956,875.01
  5. Step 5: Solve for x
    x = 22,956,875.01/5,424.72
  6. Step 6: Final answer
    x = 4,231.90

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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.