Home / 8,578.34-11,838.65-4,993.38

Finding the Fourth Proportional to 8,578.34, 11,838.65 and 4,993.38

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Solution

The fourth proportional to 8,578.34, 11,838.65 and 4,993.38 is: 6,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.34 : 11,838.65 = 4,993.38 : x
  2. Step 2: Convert to fraction form
    8,578.34/11,838.65 = 4,993.38/x
  3. Step 3: Cross multiply
    8,578.34x = 11,838.65 × 4,993.38
  4. Step 4: Simplify right side
    8,578.34x = 59,114,878.14
  5. Step 5: Solve for x
    x = 59,114,878.14/8,578.34
  6. Step 6: Final answer
    x = 6,891.18

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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.