Home / 8,665.26-11,952.55-5,681.29

Finding the Fourth Proportional to 8,665.26, 11,952.55 and 5,681.29

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Solution

The fourth proportional to 8,665.26, 11,952.55 and 5,681.29 is: 7,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.26 : 11,952.55 = 5,681.29 : x
  2. Step 2: Convert to fraction form
    8,665.26/11,952.55 = 5,681.29/x
  3. Step 3: Cross multiply
    8,665.26x = 11,952.55 × 5,681.29
  4. Step 4: Simplify right side
    8,665.26x = 67,905,918.40
  5. Step 5: Solve for x
    x = 67,905,918.40/8,665.26
  6. Step 6: Final answer
    x = 7,836.57

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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.