Home / 8,436.62-11,647.16-5,080.19

Finding the Fourth Proportional to 8,436.62, 11,647.16 and 5,080.19

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Solution

The fourth proportional to 8,436.62, 11,647.16 and 5,080.19 is: 7,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.62 : 11,647.16 = 5,080.19 : x
  2. Step 2: Convert to fraction form
    8,436.62/11,647.16 = 5,080.19/x
  3. Step 3: Cross multiply
    8,436.62x = 11,647.16 × 5,080.19
  4. Step 4: Simplify right side
    8,436.62x = 59,169,702.12
  5. Step 5: Solve for x
    x = 59,169,702.12/8,436.62
  6. Step 6: Final answer
    x = 7,013.44

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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.