Home / 7,582.06-11,373.63-3,421.09

Finding the Fourth Proportional to 7,582.06, 11,373.63 and 3,421.09

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Solution

The fourth proportional to 7,582.06, 11,373.63 and 3,421.09 is: 5,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.06 : 11,373.63 = 3,421.09 : x
  2. Step 2: Convert to fraction form
    7,582.06/11,373.63 = 3,421.09/x
  3. Step 3: Cross multiply
    7,582.06x = 11,373.63 × 3,421.09
  4. Step 4: Simplify right side
    7,582.06x = 38,910,211.86
  5. Step 5: Solve for x
    x = 38,910,211.86/7,582.06
  6. Step 6: Final answer
    x = 5,131.88

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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.