Home / 5,115.24-7,673.58-1,651.32

Finding the Fourth Proportional to 5,115.24, 7,673.58 and 1,651.32

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Solution

The fourth proportional to 5,115.24, 7,673.58 and 1,651.32 is: 2,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.24 : 7,673.58 = 1,651.32 : x
  2. Step 2: Convert to fraction form
    5,115.24/7,673.58 = 1,651.32/x
  3. Step 3: Cross multiply
    5,115.24x = 7,673.58 × 1,651.32
  4. Step 4: Simplify right side
    5,115.24x = 12,671,536.13
  5. Step 5: Solve for x
    x = 12,671,536.13/5,115.24
  6. Step 6: Final answer
    x = 2,477.21

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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.