Home / 8,284.02-11,431.94-4,749.28

Finding the Fourth Proportional to 8,284.02, 11,431.94 and 4,749.28

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Solution

The fourth proportional to 8,284.02, 11,431.94 and 4,749.28 is: 6,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.02 : 11,431.94 = 4,749.28 : x
  2. Step 2: Convert to fraction form
    8,284.02/11,431.94 = 4,749.28/x
  3. Step 3: Cross multiply
    8,284.02x = 11,431.94 × 4,749.28
  4. Step 4: Simplify right side
    8,284.02x = 54,293,426.84
  5. Step 5: Solve for x
    x = 54,293,426.84/8,284.02
  6. Step 6: Final answer
    x = 6,554.00

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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.