Home / 7,151.06-10,719.30-4,376

Finding the Fourth Proportional to 7,151.06, 10,719.30 and 4,376

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Solution

The fourth proportional to 7,151.06, 10,719.30 and 4,376 is: 6,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.06 : 10,719.30 = 4,376 : x
  2. Step 2: Convert to fraction form
    7,151.06/10,719.30 = 4,376/x
  3. Step 3: Cross multiply
    7,151.06x = 10,719.30 × 4,376
  4. Step 4: Simplify right side
    7,151.06x = 46,907,656.80
  5. Step 5: Solve for x
    x = 46,907,656.80/7,151.06
  6. Step 6: Final answer
    x = 6,559.54

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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.