Home / 10,604.42-15,905.55-2,814.02

Finding the Fourth Proportional to 10,604.42, 15,905.55 and 2,814.02

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Solution

The fourth proportional to 10,604.42, 15,905.55 and 2,814.02 is: 4,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.42 : 15,905.55 = 2,814.02 : x
  2. Step 2: Convert to fraction form
    10,604.42/15,905.55 = 2,814.02/x
  3. Step 3: Cross multiply
    10,604.42x = 15,905.55 × 2,814.02
  4. Step 4: Simplify right side
    10,604.42x = 44,758,535.81
  5. Step 5: Solve for x
    x = 44,758,535.81/10,604.42
  6. Step 6: Final answer
    x = 4,220.74

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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.