Home / 5,225.24-7,837.64-1,329.74

Finding the Fourth Proportional to 5,225.24, 7,837.64 and 1,329.74

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Solution

The fourth proportional to 5,225.24, 7,837.64 and 1,329.74 is: 1,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.24 : 7,837.64 = 1,329.74 : x
  2. Step 2: Convert to fraction form
    5,225.24/7,837.64 = 1,329.74/x
  3. Step 3: Cross multiply
    5,225.24x = 7,837.64 × 1,329.74
  4. Step 4: Simplify right side
    5,225.24x = 10,422,023.41
  5. Step 5: Solve for x
    x = 10,422,023.41/5,225.24
  6. Step 6: Final answer
    x = 1,994.56

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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.