Home / 8,436.74-11,643.40-4,660.26

Finding the Fourth Proportional to 8,436.74, 11,643.40 and 4,660.26

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Solution

The fourth proportional to 8,436.74, 11,643.40 and 4,660.26 is: 6,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.74 : 11,643.40 = 4,660.26 : x
  2. Step 2: Convert to fraction form
    8,436.74/11,643.40 = 4,660.26/x
  3. Step 3: Cross multiply
    8,436.74x = 11,643.40 × 4,660.26
  4. Step 4: Simplify right side
    8,436.74x = 54,261,271.28
  5. Step 5: Solve for x
    x = 54,261,271.28/8,436.74
  6. Step 6: Final answer
    x = 6,431.54

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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.