Home / 4,520.38-6,776.42-1,558.12

Finding the Fourth Proportional to 4,520.38, 6,776.42 and 1,558.12

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Solution

The fourth proportional to 4,520.38, 6,776.42 and 1,558.12 is: 2,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.38 : 6,776.42 = 1,558.12 : x
  2. Step 2: Convert to fraction form
    4,520.38/6,776.42 = 1,558.12/x
  3. Step 3: Cross multiply
    4,520.38x = 6,776.42 × 1,558.12
  4. Step 4: Simplify right side
    4,520.38x = 10,558,475.53
  5. Step 5: Solve for x
    x = 10,558,475.53/4,520.38
  6. Step 6: Final answer
    x = 2,335.75

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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.