Home / 8,633.40-11,916.09-5,488.98

Finding the Fourth Proportional to 8,633.40, 11,916.09 and 5,488.98

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Solution

The fourth proportional to 8,633.40, 11,916.09 and 5,488.98 is: 7,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.40 : 11,916.09 = 5,488.98 : x
  2. Step 2: Convert to fraction form
    8,633.40/11,916.09 = 5,488.98/x
  3. Step 3: Cross multiply
    8,633.40x = 11,916.09 × 5,488.98
  4. Step 4: Simplify right side
    8,633.40x = 65,407,179.69
  5. Step 5: Solve for x
    x = 65,407,179.69/8,633.40
  6. Step 6: Final answer
    x = 7,576.06

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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.