Home / 4,082.71-6,126.80-1,485.65

Finding the Fourth Proportional to 4,082.71, 6,126.80 and 1,485.65

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Solution

The fourth proportional to 4,082.71, 6,126.80 and 1,485.65 is: 2,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.71 : 6,126.80 = 1,485.65 : x
  2. Step 2: Convert to fraction form
    4,082.71/6,126.80 = 1,485.65/x
  3. Step 3: Cross multiply
    4,082.71x = 6,126.80 × 1,485.65
  4. Step 4: Simplify right side
    4,082.71x = 9,102,280.42
  5. Step 5: Solve for x
    x = 9,102,280.42/4,082.71
  6. Step 6: Final answer
    x = 2,229.47

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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.