Home / 7,900.36-10,900.03-4,541.96

Finding the Fourth Proportional to 7,900.36, 10,900.03 and 4,541.96

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Solution

The fourth proportional to 7,900.36, 10,900.03 and 4,541.96 is: 6,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.36 : 10,900.03 = 4,541.96 : x
  2. Step 2: Convert to fraction form
    7,900.36/10,900.03 = 4,541.96/x
  3. Step 3: Cross multiply
    7,900.36x = 10,900.03 × 4,541.96
  4. Step 4: Simplify right side
    7,900.36x = 49,507,500.26
  5. Step 5: Solve for x
    x = 49,507,500.26/7,900.36
  6. Step 6: Final answer
    x = 6,266.49

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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.