Home / 8,045.40-12,068.82-2,851.32

Finding the Fourth Proportional to 8,045.40, 12,068.82 and 2,851.32

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Solution

The fourth proportional to 8,045.40, 12,068.82 and 2,851.32 is: 4,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.40 : 12,068.82 = 2,851.32 : x
  2. Step 2: Convert to fraction form
    8,045.40/12,068.82 = 2,851.32/x
  3. Step 3: Cross multiply
    8,045.40x = 12,068.82 × 2,851.32
  4. Step 4: Simplify right side
    8,045.40x = 34,412,067.84
  5. Step 5: Solve for x
    x = 34,412,067.84/8,045.40
  6. Step 6: Final answer
    x = 4,277.24

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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.