Home / 5,643.30-7,785.87-3,284.94

Finding the Fourth Proportional to 5,643.30, 7,785.87 and 3,284.94

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Solution

The fourth proportional to 5,643.30, 7,785.87 and 3,284.94 is: 4,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.30 : 7,785.87 = 3,284.94 : x
  2. Step 2: Convert to fraction form
    5,643.30/7,785.87 = 3,284.94/x
  3. Step 3: Cross multiply
    5,643.30x = 7,785.87 × 3,284.94
  4. Step 4: Simplify right side
    5,643.30x = 25,576,115.80
  5. Step 5: Solve for x
    x = 25,576,115.80/5,643.30
  6. Step 6: Final answer
    x = 4,532.12

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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.