Home / 4,712.78-7,070.37-3,328.82

Finding the Fourth Proportional to 4,712.78, 7,070.37 and 3,328.82

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Solution

The fourth proportional to 4,712.78, 7,070.37 and 3,328.82 is: 4,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.78 : 7,070.37 = 3,328.82 : x
  2. Step 2: Convert to fraction form
    4,712.78/7,070.37 = 3,328.82/x
  3. Step 3: Cross multiply
    4,712.78x = 7,070.37 × 3,328.82
  4. Step 4: Simplify right side
    4,712.78x = 23,535,989.06
  5. Step 5: Solve for x
    x = 23,535,989.06/4,712.78
  6. Step 6: Final answer
    x = 4,994.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.