Home / 5,429.84-7,493.34-3,072.34

Finding the Fourth Proportional to 5,429.84, 7,493.34 and 3,072.34

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Solution

The fourth proportional to 5,429.84, 7,493.34 and 3,072.34 is: 4,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.84 : 7,493.34 = 3,072.34 : x
  2. Step 2: Convert to fraction form
    5,429.84/7,493.34 = 3,072.34/x
  3. Step 3: Cross multiply
    5,429.84x = 7,493.34 × 3,072.34
  4. Step 4: Simplify right side
    5,429.84x = 23,022,088.22
  5. Step 5: Solve for x
    x = 23,022,088.22/5,429.84
  6. Step 6: Final answer
    x = 4,239.92

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Half scale
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Double scale
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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.