Home / 5,819.84-8,030.66-3,428

Finding the Fourth Proportional to 5,819.84, 8,030.66 and 3,428

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Solution

The fourth proportional to 5,819.84, 8,030.66 and 3,428 is: 4,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.84 : 8,030.66 = 3,428 : x
  2. Step 2: Convert to fraction form
    5,819.84/8,030.66 = 3,428/x
  3. Step 3: Cross multiply
    5,819.84x = 8,030.66 × 3,428
  4. Step 4: Simplify right side
    5,819.84x = 27,529,102.48
  5. Step 5: Solve for x
    x = 27,529,102.48/5,819.84
  6. Step 6: Final answer
    x = 4,730.22

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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.