Home / 5,972-8,242.44-3,455.72

Finding the Fourth Proportional to 5,972, 8,242.44 and 3,455.72

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Solution

The fourth proportional to 5,972, 8,242.44 and 3,455.72 is: 4,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972 : 8,242.44 = 3,455.72 : x
  2. Step 2: Convert to fraction form
    5,972/8,242.44 = 3,455.72/x
  3. Step 3: Cross multiply
    5,972x = 8,242.44 × 3,455.72
  4. Step 4: Simplify right side
    5,972x = 28,483,564.76
  5. Step 5: Solve for x
    x = 28,483,564.76/5,972
  6. Step 6: Final answer
    x = 4,769.52

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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.