Home / 5,424.40-7,484.75-3,066.49

Finding the Fourth Proportional to 5,424.40, 7,484.75 and 3,066.49

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Solution

The fourth proportional to 5,424.40, 7,484.75 and 3,066.49 is: 4,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.40 : 7,484.75 = 3,066.49 : x
  2. Step 2: Convert to fraction form
    5,424.40/7,484.75 = 3,066.49/x
  3. Step 3: Cross multiply
    5,424.40x = 7,484.75 × 3,066.49
  4. Step 4: Simplify right side
    5,424.40x = 22,951,895.70
  5. Step 5: Solve for x
    x = 22,951,895.70/5,424.40
  6. Step 6: Final answer
    x = 4,231.23

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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.