Home / 8,284.10-11,431.71-4,507.28

Finding the Fourth Proportional to 8,284.10, 11,431.71 and 4,507.28

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Solution

The fourth proportional to 8,284.10, 11,431.71 and 4,507.28 is: 6,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.10 : 11,431.71 = 4,507.28 : x
  2. Step 2: Convert to fraction form
    8,284.10/11,431.71 = 4,507.28/x
  3. Step 3: Cross multiply
    8,284.10x = 11,431.71 × 4,507.28
  4. Step 4: Simplify right side
    8,284.10x = 51,525,908.20
  5. Step 5: Solve for x
    x = 51,525,908.20/8,284.10
  6. Step 6: Final answer
    x = 6,219.86

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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.