Home / 6,502.10-9,751.92-2,119.72

Finding the Fourth Proportional to 6,502.10, 9,751.92 and 2,119.72

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Solution

The fourth proportional to 6,502.10, 9,751.92 and 2,119.72 is: 3,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.10 : 9,751.92 = 2,119.72 : x
  2. Step 2: Convert to fraction form
    6,502.10/9,751.92 = 2,119.72/x
  3. Step 3: Cross multiply
    6,502.10x = 9,751.92 × 2,119.72
  4. Step 4: Simplify right side
    6,502.10x = 20,671,339.86
  5. Step 5: Solve for x
    x = 20,671,339.86/6,502.10
  6. Step 6: Final answer
    x = 3,179.18

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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.