Home / 8,012.79-12,020.76-2,465.19

Finding the Fourth Proportional to 8,012.79, 12,020.76 and 2,465.19

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Solution

The fourth proportional to 8,012.79, 12,020.76 and 2,465.19 is: 3,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.79 : 12,020.76 = 2,465.19 : x
  2. Step 2: Convert to fraction form
    8,012.79/12,020.76 = 2,465.19/x
  3. Step 3: Cross multiply
    8,012.79x = 12,020.76 × 2,465.19
  4. Step 4: Simplify right side
    8,012.79x = 29,633,457.34
  5. Step 5: Solve for x
    x = 29,633,457.34/8,012.79
  6. Step 6: Final answer
    x = 3,698.27

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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.