Home / 4,382-6,047.20-2,984.72

Finding the Fourth Proportional to 4,382, 6,047.20 and 2,984.72

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Solution

The fourth proportional to 4,382, 6,047.20 and 2,984.72 is: 4,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382 : 6,047.20 = 2,984.72 : x
  2. Step 2: Convert to fraction form
    4,382/6,047.20 = 2,984.72/x
  3. Step 3: Cross multiply
    4,382x = 6,047.20 × 2,984.72
  4. Step 4: Simplify right side
    4,382x = 18,049,198.78
  5. Step 5: Solve for x
    x = 18,049,198.78/4,382
  6. Step 6: Final answer
    x = 4,118.94

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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.