Home / 4,378.76-6,039.68-2,609

Finding the Fourth Proportional to 4,378.76, 6,039.68 and 2,609

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Solution

The fourth proportional to 4,378.76, 6,039.68 and 2,609 is: 3,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.76 : 6,039.68 = 2,609 : x
  2. Step 2: Convert to fraction form
    4,378.76/6,039.68 = 2,609/x
  3. Step 3: Cross multiply
    4,378.76x = 6,039.68 × 2,609
  4. Step 4: Simplify right side
    4,378.76x = 15,757,525.12
  5. Step 5: Solve for x
    x = 15,757,525.12/4,378.76
  6. Step 6: Final answer
    x = 3,598.63

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1.5x scale

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.