Home / 4,214.79-5,815.35-2,800.53

Finding the Fourth Proportional to 4,214.79, 5,815.35 and 2,800.53

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Solution

The fourth proportional to 4,214.79, 5,815.35 and 2,800.53 is: 3,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.79 : 5,815.35 = 2,800.53 : x
  2. Step 2: Convert to fraction form
    4,214.79/5,815.35 = 2,800.53/x
  3. Step 3: Cross multiply
    4,214.79x = 5,815.35 × 2,800.53
  4. Step 4: Simplify right side
    4,214.79x = 16,286,062.14
  5. Step 5: Solve for x
    x = 16,286,062.14/4,214.79
  6. Step 6: Final answer
    x = 3,864.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.