Home / 8,526.08-12,789.14-3,328.31

Finding the Fourth Proportional to 8,526.08, 12,789.14 and 3,328.31

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Solution

The fourth proportional to 8,526.08, 12,789.14 and 3,328.31 is: 4,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.08 : 12,789.14 = 3,328.31 : x
  2. Step 2: Convert to fraction form
    8,526.08/12,789.14 = 3,328.31/x
  3. Step 3: Cross multiply
    8,526.08x = 12,789.14 × 3,328.31
  4. Step 4: Simplify right side
    8,526.08x = 42,566,237.88
  5. Step 5: Solve for x
    x = 42,566,237.88/8,526.08
  6. Step 6: Final answer
    x = 4,992.47

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1.5x scale

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.