Home / 7,018.05-10,525.72-3,319.75

Finding the Fourth Proportional to 7,018.05, 10,525.72 and 3,319.75

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Solution

The fourth proportional to 7,018.05, 10,525.72 and 3,319.75 is: 4,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.05 : 10,525.72 = 3,319.75 : x
  2. Step 2: Convert to fraction form
    7,018.05/10,525.72 = 3,319.75/x
  3. Step 3: Cross multiply
    7,018.05x = 10,525.72 × 3,319.75
  4. Step 4: Simplify right side
    7,018.05x = 34,942,758.97
  5. Step 5: Solve for x
    x = 34,942,758.97/7,018.05
  6. Step 6: Final answer
    x = 4,978.98

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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.