Home / 4,378.99-6,043.08-2,389.61

Finding the Fourth Proportional to 4,378.99, 6,043.08 and 2,389.61

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Solution

The fourth proportional to 4,378.99, 6,043.08 and 2,389.61 is: 3,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.99 : 6,043.08 = 2,389.61 : x
  2. Step 2: Convert to fraction form
    4,378.99/6,043.08 = 2,389.61/x
  3. Step 3: Cross multiply
    4,378.99x = 6,043.08 × 2,389.61
  4. Step 4: Simplify right side
    4,378.99x = 14,440,604.40
  5. Step 5: Solve for x
    x = 14,440,604.40/4,378.99
  6. Step 6: Final answer
    x = 3,297.70

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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.