Home / 7,040.80-10,564.22-3,345.64

Finding the Fourth Proportional to 7,040.80, 10,564.22 and 3,345.64

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Solution

The fourth proportional to 7,040.80, 10,564.22 and 3,345.64 is: 5,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.80 : 10,564.22 = 3,345.64 : x
  2. Step 2: Convert to fraction form
    7,040.80/10,564.22 = 3,345.64/x
  3. Step 3: Cross multiply
    7,040.80x = 10,564.22 × 3,345.64
  4. Step 4: Simplify right side
    7,040.80x = 35,344,077.00
  5. Step 5: Solve for x
    x = 35,344,077.00/7,040.80
  6. Step 6: Final answer
    x = 5,019.90

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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.