Home / 9,815.04-14,722.58-2,419.64

Finding the Fourth Proportional to 9,815.04, 14,722.58 and 2,419.64

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Solution

The fourth proportional to 9,815.04, 14,722.58 and 2,419.64 is: 3,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.04 : 14,722.58 = 2,419.64 : x
  2. Step 2: Convert to fraction form
    9,815.04/14,722.58 = 2,419.64/x
  3. Step 3: Cross multiply
    9,815.04x = 14,722.58 × 2,419.64
  4. Step 4: Simplify right side
    9,815.04x = 35,623,257.76
  5. Step 5: Solve for x
    x = 35,623,257.76/9,815.04
  6. Step 6: Final answer
    x = 3,629.46

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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.