Home / 5,340-8,012.88-2,604

Finding the Fourth Proportional to 5,340, 8,012.88 and 2,604

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Solution

The fourth proportional to 5,340, 8,012.88 and 2,604 is: 3,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340 : 8,012.88 = 2,604 : x
  2. Step 2: Convert to fraction form
    5,340/8,012.88 = 2,604/x
  3. Step 3: Cross multiply
    5,340x = 8,012.88 × 2,604
  4. Step 4: Simplify right side
    5,340x = 20,865,539.52
  5. Step 5: Solve for x
    x = 20,865,539.52/5,340
  6. Step 6: Final answer
    x = 3,907.40

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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.