Home / 5,619.65-8,429.62-1,459.56

Finding the Fourth Proportional to 5,619.65, 8,429.62 and 1,459.56

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Solution

The fourth proportional to 5,619.65, 8,429.62 and 1,459.56 is: 2,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.65 : 8,429.62 = 1,459.56 : x
  2. Step 2: Convert to fraction form
    5,619.65/8,429.62 = 1,459.56/x
  3. Step 3: Cross multiply
    5,619.65x = 8,429.62 × 1,459.56
  4. Step 4: Simplify right side
    5,619.65x = 12,303,536.17
  5. Step 5: Solve for x
    x = 12,303,536.17/5,619.65
  6. Step 6: Final answer
    x = 2,189.38

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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.