Home / 4,558.78-6,838.17-1,439.10

Finding the Fourth Proportional to 4,558.78, 6,838.17 and 1,439.10

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Solution

The fourth proportional to 4,558.78, 6,838.17 and 1,439.10 is: 2,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.78 : 6,838.17 = 1,439.10 : x
  2. Step 2: Convert to fraction form
    4,558.78/6,838.17 = 1,439.10/x
  3. Step 3: Cross multiply
    4,558.78x = 6,838.17 × 1,439.10
  4. Step 4: Simplify right side
    4,558.78x = 9,840,832.94
  5. Step 5: Solve for x
    x = 9,840,832.94/4,558.78
  6. Step 6: Final answer
    x = 2,158.65

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1.5x scale

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.