Home / 4,719.12-7,078.86-2,407.92

Finding the Fourth Proportional to 4,719.12, 7,078.86 and 2,407.92

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Solution

The fourth proportional to 4,719.12, 7,078.86 and 2,407.92 is: 3,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.12 : 7,078.86 = 2,407.92 : x
  2. Step 2: Convert to fraction form
    4,719.12/7,078.86 = 2,407.92/x
  3. Step 3: Cross multiply
    4,719.12x = 7,078.86 × 2,407.92
  4. Step 4: Simplify right side
    4,719.12x = 17,045,328.57
  5. Step 5: Solve for x
    x = 17,045,328.57/4,719.12
  6. Step 6: Final answer
    x = 3,611.97

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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.