Home / 5,115.99-7,674.26-1,653.51

Finding the Fourth Proportional to 5,115.99, 7,674.26 and 1,653.51

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Solution

The fourth proportional to 5,115.99, 7,674.26 and 1,653.51 is: 2,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.99 : 7,674.26 = 1,653.51 : x
  2. Step 2: Convert to fraction form
    5,115.99/7,674.26 = 1,653.51/x
  3. Step 3: Cross multiply
    5,115.99x = 7,674.26 × 1,653.51
  4. Step 4: Simplify right side
    5,115.99x = 12,689,457.39
  5. Step 5: Solve for x
    x = 12,689,457.39/5,115.99
  6. Step 6: Final answer
    x = 2,480.35

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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.