Home / 5,315.24-7,969.74-2,028.56

Finding the Fourth Proportional to 5,315.24, 7,969.74 and 2,028.56

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Solution

The fourth proportional to 5,315.24, 7,969.74 and 2,028.56 is: 3,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.24 : 7,969.74 = 2,028.56 : x
  2. Step 2: Convert to fraction form
    5,315.24/7,969.74 = 2,028.56/x
  3. Step 3: Cross multiply
    5,315.24x = 7,969.74 × 2,028.56
  4. Step 4: Simplify right side
    5,315.24x = 16,167,095.77
  5. Step 5: Solve for x
    x = 16,167,095.77/5,315.24
  6. Step 6: Final answer
    x = 3,041.65

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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.