Home / 7,579.40-11,369.30-4,116.65

Finding the Fourth Proportional to 7,579.40, 11,369.30 and 4,116.65

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Solution

The fourth proportional to 7,579.40, 11,369.30 and 4,116.65 is: 6,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.40 : 11,369.30 = 4,116.65 : x
  2. Step 2: Convert to fraction form
    7,579.40/11,369.30 = 4,116.65/x
  3. Step 3: Cross multiply
    7,579.40x = 11,369.30 × 4,116.65
  4. Step 4: Simplify right side
    7,579.40x = 46,803,351.42
  5. Step 5: Solve for x
    x = 46,803,351.42/7,579.40
  6. Step 6: Final answer
    x = 6,175.08

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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.