Home / 5,225.09-7,837.68-1,329.50

Finding the Fourth Proportional to 5,225.09, 7,837.68 and 1,329.50

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Solution

The fourth proportional to 5,225.09, 7,837.68 and 1,329.50 is: 1,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.09 : 7,837.68 = 1,329.50 : x
  2. Step 2: Convert to fraction form
    5,225.09/7,837.68 = 1,329.50/x
  3. Step 3: Cross multiply
    5,225.09x = 7,837.68 × 1,329.50
  4. Step 4: Simplify right side
    5,225.09x = 10,420,195.56
  5. Step 5: Solve for x
    x = 10,420,195.56/5,225.09
  6. Step 6: Final answer
    x = 1,994.26

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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.