Home / 8,506.20-12,764.22-3,575.40

Finding the Fourth Proportional to 8,506.20, 12,764.22 and 3,575.40

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Solution

The fourth proportional to 8,506.20, 12,764.22 and 3,575.40 is: 5,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.20 : 12,764.22 = 3,575.40 : x
  2. Step 2: Convert to fraction form
    8,506.20/12,764.22 = 3,575.40/x
  3. Step 3: Cross multiply
    8,506.20x = 12,764.22 × 3,575.40
  4. Step 4: Simplify right side
    8,506.20x = 45,637,192.19
  5. Step 5: Solve for x
    x = 45,637,192.19/8,506.20
  6. Step 6: Final answer
    x = 5,365.17

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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.