Home / 5,411.06-7,467.48-3,420.89

Finding the Fourth Proportional to 5,411.06, 7,467.48 and 3,420.89

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Solution

The fourth proportional to 5,411.06, 7,467.48 and 3,420.89 is: 4,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.06 : 7,467.48 = 3,420.89 : x
  2. Step 2: Convert to fraction form
    5,411.06/7,467.48 = 3,420.89/x
  3. Step 3: Cross multiply
    5,411.06x = 7,467.48 × 3,420.89
  4. Step 4: Simplify right side
    5,411.06x = 25,545,427.66
  5. Step 5: Solve for x
    x = 25,545,427.66/5,411.06
  6. Step 6: Final answer
    x = 4,720.97

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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.