Home / 7,421.99-11,134.19-3,525.08

Finding the Fourth Proportional to 7,421.99, 11,134.19 and 3,525.08

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Solution

The fourth proportional to 7,421.99, 11,134.19 and 3,525.08 is: 5,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.99 : 11,134.19 = 3,525.08 : x
  2. Step 2: Convert to fraction form
    7,421.99/11,134.19 = 3,525.08/x
  3. Step 3: Cross multiply
    7,421.99x = 11,134.19 × 3,525.08
  4. Step 4: Simplify right side
    7,421.99x = 39,248,837.19
  5. Step 5: Solve for x
    x = 39,248,837.19/7,421.99
  6. Step 6: Final answer
    x = 5,288.19

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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.