Home / 4,578.28-6,318.49-2,785.89

Finding the Fourth Proportional to 4,578.28, 6,318.49 and 2,785.89

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Solution

The fourth proportional to 4,578.28, 6,318.49 and 2,785.89 is: 3,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.28 : 6,318.49 = 2,785.89 : x
  2. Step 2: Convert to fraction form
    4,578.28/6,318.49 = 2,785.89/x
  3. Step 3: Cross multiply
    4,578.28x = 6,318.49 × 2,785.89
  4. Step 4: Simplify right side
    4,578.28x = 17,602,586.75
  5. Step 5: Solve for x
    x = 17,602,586.75/4,578.28
  6. Step 6: Final answer
    x = 3,844.80

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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.