Home / 7,040.50-10,564.40-3,577.75

Finding the Fourth Proportional to 7,040.50, 10,564.40 and 3,577.75

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Solution

The fourth proportional to 7,040.50, 10,564.40 and 3,577.75 is: 5,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.50 : 10,564.40 = 3,577.75 : x
  2. Step 2: Convert to fraction form
    7,040.50/10,564.40 = 3,577.75/x
  3. Step 3: Cross multiply
    7,040.50x = 10,564.40 × 3,577.75
  4. Step 4: Simplify right side
    7,040.50x = 37,796,782.10
  5. Step 5: Solve for x
    x = 37,796,782.10/7,040.50
  6. Step 6: Final answer
    x = 5,368.48

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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.