Home / 7,247.51-10,857.43-3,907.47

Finding the Fourth Proportional to 7,247.51, 10,857.43 and 3,907.47

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Solution

The fourth proportional to 7,247.51, 10,857.43 and 3,907.47 is: 5,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.51 : 10,857.43 = 3,907.47 : x
  2. Step 2: Convert to fraction form
    7,247.51/10,857.43 = 3,907.47/x
  3. Step 3: Cross multiply
    7,247.51x = 10,857.43 × 3,907.47
  4. Step 4: Simplify right side
    7,247.51x = 42,425,082.00
  5. Step 5: Solve for x
    x = 42,425,082.00/7,247.51
  6. Step 6: Final answer
    x = 5,853.75

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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.