Home / 4,378.99-6,042.89-2,389.59

Finding the Fourth Proportional to 4,378.99, 6,042.89 and 2,389.59

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Solution

The fourth proportional to 4,378.99, 6,042.89 and 2,389.59 is: 3,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.99 : 6,042.89 = 2,389.59 : x
  2. Step 2: Convert to fraction form
    4,378.99/6,042.89 = 2,389.59/x
  3. Step 3: Cross multiply
    4,378.99x = 6,042.89 × 2,389.59
  4. Step 4: Simplify right side
    4,378.99x = 14,440,029.52
  5. Step 5: Solve for x
    x = 14,440,029.52/4,378.99
  6. Step 6: Final answer
    x = 3,297.57

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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.