Home / 5,263.78-7,264.35-2,905.93

Finding the Fourth Proportional to 5,263.78, 7,264.35 and 2,905.93

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Solution

The fourth proportional to 5,263.78, 7,264.35 and 2,905.93 is: 4,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.78 : 7,264.35 = 2,905.93 : x
  2. Step 2: Convert to fraction form
    5,263.78/7,264.35 = 2,905.93/x
  3. Step 3: Cross multiply
    5,263.78x = 7,264.35 × 2,905.93
  4. Step 4: Simplify right side
    5,263.78x = 21,109,692.60
  5. Step 5: Solve for x
    x = 21,109,692.60/5,263.78
  6. Step 6: Final answer
    x = 4,010.37

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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.