Home / 8,434.47-11,638.61-4,896.97

Finding the Fourth Proportional to 8,434.47, 11,638.61 and 4,896.97

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Solution

The fourth proportional to 8,434.47, 11,638.61 and 4,896.97 is: 6,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.47 : 11,638.61 = 4,896.97 : x
  2. Step 2: Convert to fraction form
    8,434.47/11,638.61 = 4,896.97/x
  3. Step 3: Cross multiply
    8,434.47x = 11,638.61 × 4,896.97
  4. Step 4: Simplify right side
    8,434.47x = 56,993,899.53
  5. Step 5: Solve for x
    x = 56,993,899.53/8,434.47
  6. Step 6: Final answer
    x = 6,757.26

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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.