Home / 8,526.66-12,782.46-3,328.90

Finding the Fourth Proportional to 8,526.66, 12,782.46 and 3,328.90

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Solution

The fourth proportional to 8,526.66, 12,782.46 and 3,328.90 is: 4,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.66 : 12,782.46 = 3,328.90 : x
  2. Step 2: Convert to fraction form
    8,526.66/12,782.46 = 3,328.90/x
  3. Step 3: Cross multiply
    8,526.66x = 12,782.46 × 3,328.90
  4. Step 4: Simplify right side
    8,526.66x = 42,551,531.09
  5. Step 5: Solve for x
    x = 42,551,531.09/8,526.66
  6. Step 6: Final answer
    x = 4,990.41

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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.