Home / 8,526.64-12,789.66-2,603.29

Finding the Fourth Proportional to 8,526.64, 12,789.66 and 2,603.29

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Solution

The fourth proportional to 8,526.64, 12,789.66 and 2,603.29 is: 3,904.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.64 : 12,789.66 = 2,603.29 : x
  2. Step 2: Convert to fraction form
    8,526.64/12,789.66 = 2,603.29/x
  3. Step 3: Cross multiply
    8,526.64x = 12,789.66 × 2,603.29
  4. Step 4: Simplify right side
    8,526.64x = 33,295,193.98
  5. Step 5: Solve for x
    x = 33,295,193.98/8,526.64
  6. Step 6: Final answer
    x = 3,904.84

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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.