Home / 8,845.32-12,206.34-5,259.72

Finding the Fourth Proportional to 8,845.32, 12,206.34 and 5,259.72

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Solution

The fourth proportional to 8,845.32, 12,206.34 and 5,259.72 is: 7,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.32 : 12,206.34 = 5,259.72 : x
  2. Step 2: Convert to fraction form
    8,845.32/12,206.34 = 5,259.72/x
  3. Step 3: Cross multiply
    8,845.32x = 12,206.34 × 5,259.72
  4. Step 4: Simplify right side
    8,845.32x = 64,201,930.62
  5. Step 5: Solve for x
    x = 64,201,930.62/8,845.32
  6. Step 6: Final answer
    x = 7,258.29

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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.