Home / 7,353.45-11,028.63-2,421.93

Finding the Fourth Proportional to 7,353.45, 11,028.63 and 2,421.93

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Solution

The fourth proportional to 7,353.45, 11,028.63 and 2,421.93 is: 3,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.45 : 11,028.63 = 2,421.93 : x
  2. Step 2: Convert to fraction form
    7,353.45/11,028.63 = 2,421.93/x
  3. Step 3: Cross multiply
    7,353.45x = 11,028.63 × 2,421.93
  4. Step 4: Simplify right side
    7,353.45x = 26,710,590.22
  5. Step 5: Solve for x
    x = 26,710,590.22/7,353.45
  6. Step 6: Final answer
    x = 3,632.39

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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.