Home / 8,254.04-11,383.94-7,257.20

Finding the Fourth Proportional to 8,254.04, 11,383.94 and 7,257.20

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Solution

The fourth proportional to 8,254.04, 11,383.94 and 7,257.20 is: 10,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.04 : 11,383.94 = 7,257.20 : x
  2. Step 2: Convert to fraction form
    8,254.04/11,383.94 = 7,257.20/x
  3. Step 3: Cross multiply
    8,254.04x = 11,383.94 × 7,257.20
  4. Step 4: Simplify right side
    8,254.04x = 82,615,529.37
  5. Step 5: Solve for x
    x = 82,615,529.37/8,254.04
  6. Step 6: Final answer
    x = 10,009.10

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Half scale
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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.