Home / 7,752.12-11,621.69-3,595.09

Finding the Fourth Proportional to 7,752.12, 11,621.69 and 3,595.09

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Solution

The fourth proportional to 7,752.12, 11,621.69 and 3,595.09 is: 5,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.12 : 11,621.69 = 3,595.09 : x
  2. Step 2: Convert to fraction form
    7,752.12/11,621.69 = 3,595.09/x
  3. Step 3: Cross multiply
    7,752.12x = 11,621.69 × 3,595.09
  4. Step 4: Simplify right side
    7,752.12x = 41,781,021.50
  5. Step 5: Solve for x
    x = 41,781,021.50/7,752.12
  6. Step 6: Final answer
    x = 5,389.63

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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.