Home / 7,028.55-10,549.96-3,521.07

Finding the Fourth Proportional to 7,028.55, 10,549.96 and 3,521.07

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Solution

The fourth proportional to 7,028.55, 10,549.96 and 3,521.07 is: 5,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.55 : 10,549.96 = 3,521.07 : x
  2. Step 2: Convert to fraction form
    7,028.55/10,549.96 = 3,521.07/x
  3. Step 3: Cross multiply
    7,028.55x = 10,549.96 × 3,521.07
  4. Step 4: Simplify right side
    7,028.55x = 37,147,138.85
  5. Step 5: Solve for x
    x = 37,147,138.85/7,028.55
  6. Step 6: Final answer
    x = 5,285.18

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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.