Home / 5,411.70-7,467.93-3,640.50

Finding the Fourth Proportional to 5,411.70, 7,467.93 and 3,640.50

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Solution

The fourth proportional to 5,411.70, 7,467.93 and 3,640.50 is: 5,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.70 : 7,467.93 = 3,640.50 : x
  2. Step 2: Convert to fraction form
    5,411.70/7,467.93 = 3,640.50/x
  3. Step 3: Cross multiply
    5,411.70x = 7,467.93 × 3,640.50
  4. Step 4: Simplify right side
    5,411.70x = 27,186,999.17
  5. Step 5: Solve for x
    x = 27,186,999.17/5,411.70
  6. Step 6: Final answer
    x = 5,023.74

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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.