Home / 8,719.23-13,074.75-3,168.66

Finding the Fourth Proportional to 8,719.23, 13,074.75 and 3,168.66

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Solution

The fourth proportional to 8,719.23, 13,074.75 and 3,168.66 is: 4,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.23 : 13,074.75 = 3,168.66 : x
  2. Step 2: Convert to fraction form
    8,719.23/13,074.75 = 3,168.66/x
  3. Step 3: Cross multiply
    8,719.23x = 13,074.75 × 3,168.66
  4. Step 4: Simplify right side
    8,719.23x = 41,429,437.34
  5. Step 5: Solve for x
    x = 41,429,437.34/8,719.23
  6. Step 6: Final answer
    x = 4,751.50

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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.