Home / 8,157.14-11,257.09-4,620.35

Finding the Fourth Proportional to 8,157.14, 11,257.09 and 4,620.35

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Solution

The fourth proportional to 8,157.14, 11,257.09 and 4,620.35 is: 6,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.14 : 11,257.09 = 4,620.35 : x
  2. Step 2: Convert to fraction form
    8,157.14/11,257.09 = 4,620.35/x
  3. Step 3: Cross multiply
    8,157.14x = 11,257.09 × 4,620.35
  4. Step 4: Simplify right side
    8,157.14x = 52,011,712.37
  5. Step 5: Solve for x
    x = 52,011,712.37/8,157.14
  6. Step 6: Final answer
    x = 6,376.22

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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.