Home / 5,019.51-7,529.40-2,421.84

Finding the Fourth Proportional to 5,019.51, 7,529.40 and 2,421.84

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Solution

The fourth proportional to 5,019.51, 7,529.40 and 2,421.84 is: 3,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.51 : 7,529.40 = 2,421.84 : x
  2. Step 2: Convert to fraction form
    5,019.51/7,529.40 = 2,421.84/x
  3. Step 3: Cross multiply
    5,019.51x = 7,529.40 × 2,421.84
  4. Step 4: Simplify right side
    5,019.51x = 18,235,002.10
  5. Step 5: Solve for x
    x = 18,235,002.10/5,019.51
  6. Step 6: Final answer
    x = 3,632.83

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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.