Home / 4,389.28-6,056.78-2,399.72

Finding the Fourth Proportional to 4,389.28, 6,056.78 and 2,399.72

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Solution

The fourth proportional to 4,389.28, 6,056.78 and 2,399.72 is: 3,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.28 : 6,056.78 = 2,399.72 : x
  2. Step 2: Convert to fraction form
    4,389.28/6,056.78 = 2,399.72/x
  3. Step 3: Cross multiply
    4,389.28x = 6,056.78 × 2,399.72
  4. Step 4: Simplify right side
    4,389.28x = 14,534,576.10
  5. Step 5: Solve for x
    x = 14,534,576.10/4,389.28
  6. Step 6: Final answer
    x = 3,311.38

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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.