Home / 6,578.08-9,860.40-3,118.24

Finding the Fourth Proportional to 6,578.08, 9,860.40 and 3,118.24

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Solution

The fourth proportional to 6,578.08, 9,860.40 and 3,118.24 is: 4,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578.08 : 9,860.40 = 3,118.24 : x
  2. Step 2: Convert to fraction form
    6,578.08/9,860.40 = 3,118.24/x
  3. Step 3: Cross multiply
    6,578.08x = 9,860.40 × 3,118.24
  4. Step 4: Simplify right side
    6,578.08x = 30,747,093.70
  5. Step 5: Solve for x
    x = 30,747,093.70/6,578.08
  6. Step 6: Final answer
    x = 4,674.17

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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.