Home / 7,709.37-11,567.64-2,445.21

Finding the Fourth Proportional to 7,709.37, 11,567.64 and 2,445.21

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Solution

The fourth proportional to 7,709.37, 11,567.64 and 2,445.21 is: 3,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.37 : 11,567.64 = 2,445.21 : x
  2. Step 2: Convert to fraction form
    7,709.37/11,567.64 = 2,445.21/x
  3. Step 3: Cross multiply
    7,709.37x = 11,567.64 × 2,445.21
  4. Step 4: Simplify right side
    7,709.37x = 28,285,309.00
  5. Step 5: Solve for x
    x = 28,285,309.00/7,709.37
  6. Step 6: Final answer
    x = 3,668.95

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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.