Home / 7,287.98-10,925.48-3,390.26

Finding the Fourth Proportional to 7,287.98, 10,925.48 and 3,390.26

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Solution

The fourth proportional to 7,287.98, 10,925.48 and 3,390.26 is: 5,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.98 : 10,925.48 = 3,390.26 : x
  2. Step 2: Convert to fraction form
    7,287.98/10,925.48 = 3,390.26/x
  3. Step 3: Cross multiply
    7,287.98x = 10,925.48 × 3,390.26
  4. Step 4: Simplify right side
    7,287.98x = 37,040,217.82
  5. Step 5: Solve for x
    x = 37,040,217.82/7,287.98
  6. Step 6: Final answer
    x = 5,082.37

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1.5x scale

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.