Home / 8,078.46-11,145.49-5,051.52

Finding the Fourth Proportional to 8,078.46, 11,145.49 and 5,051.52

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Solution

The fourth proportional to 8,078.46, 11,145.49 and 5,051.52 is: 6,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.46 : 11,145.49 = 5,051.52 : x
  2. Step 2: Convert to fraction form
    8,078.46/11,145.49 = 5,051.52/x
  3. Step 3: Cross multiply
    8,078.46x = 11,145.49 × 5,051.52
  4. Step 4: Simplify right side
    8,078.46x = 56,301,665.64
  5. Step 5: Solve for x
    x = 56,301,665.64/8,078.46
  6. Step 6: Final answer
    x = 6,969.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.