Home / 8,436.19-11,641.43-5,080.09

Finding the Fourth Proportional to 8,436.19, 11,641.43 and 5,080.09

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Solution

The fourth proportional to 8,436.19, 11,641.43 and 5,080.09 is: 7,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.19 : 11,641.43 = 5,080.09 : x
  2. Step 2: Convert to fraction form
    8,436.19/11,641.43 = 5,080.09/x
  3. Step 3: Cross multiply
    8,436.19x = 11,641.43 × 5,080.09
  4. Step 4: Simplify right side
    8,436.19x = 59,139,428.52
  5. Step 5: Solve for x
    x = 59,139,428.52/8,436.19
  6. Step 6: Final answer
    x = 7,010.21

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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.