Home / 4,578.12-6,315.48-2,896.69

Finding the Fourth Proportional to 4,578.12, 6,315.48 and 2,896.69

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Solution

The fourth proportional to 4,578.12, 6,315.48 and 2,896.69 is: 3,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.12 : 6,315.48 = 2,896.69 : x
  2. Step 2: Convert to fraction form
    4,578.12/6,315.48 = 2,896.69/x
  3. Step 3: Cross multiply
    4,578.12x = 6,315.48 × 2,896.69
  4. Step 4: Simplify right side
    4,578.12x = 18,293,987.76
  5. Step 5: Solve for x
    x = 18,293,987.76/4,578.12
  6. Step 6: Final answer
    x = 3,995.96

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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.