Home / 7,345.17-11,000.37-5,255.37

Finding the Fourth Proportional to 7,345.17, 11,000.37 and 5,255.37

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Solution

The fourth proportional to 7,345.17, 11,000.37 and 5,255.37 is: 7,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.17 : 11,000.37 = 5,255.37 : x
  2. Step 2: Convert to fraction form
    7,345.17/11,000.37 = 5,255.37/x
  3. Step 3: Cross multiply
    7,345.17x = 11,000.37 × 5,255.37
  4. Step 4: Simplify right side
    7,345.17x = 57,811,014.49
  5. Step 5: Solve for x
    x = 57,811,014.49/7,345.17
  6. Step 6: Final answer
    x = 7,870.62

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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.