Home / 8,529.29-12,805.90-4,372.28

Finding the Fourth Proportional to 8,529.29, 12,805.90 and 4,372.28

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Solution

The fourth proportional to 8,529.29, 12,805.90 and 4,372.28 is: 6,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.29 : 12,805.90 = 4,372.28 : x
  2. Step 2: Convert to fraction form
    8,529.29/12,805.90 = 4,372.28/x
  3. Step 3: Cross multiply
    8,529.29x = 12,805.90 × 4,372.28
  4. Step 4: Simplify right side
    8,529.29x = 55,990,953.51
  5. Step 5: Solve for x
    x = 55,990,953.51/8,529.29
  6. Step 6: Final answer
    x = 6,564.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.