Home / 7,421.04-11,135.34-3,525.48

Finding the Fourth Proportional to 7,421.04, 11,135.34 and 3,525.48

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Solution

The fourth proportional to 7,421.04, 11,135.34 and 3,525.48 is: 5,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.04 : 11,135.34 = 3,525.48 : x
  2. Step 2: Convert to fraction form
    7,421.04/11,135.34 = 3,525.48/x
  3. Step 3: Cross multiply
    7,421.04x = 11,135.34 × 3,525.48
  4. Step 4: Simplify right side
    7,421.04x = 39,257,418.46
  5. Step 5: Solve for x
    x = 39,257,418.46/7,421.04
  6. Step 6: Final answer
    x = 5,290.02

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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.