Home / 8,020.16-12,030.25-2,176.77

Finding the Fourth Proportional to 8,020.16, 12,030.25 and 2,176.77

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Solution

The fourth proportional to 8,020.16, 12,030.25 and 2,176.77 is: 3,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.16 : 12,030.25 = 2,176.77 : x
  2. Step 2: Convert to fraction form
    8,020.16/12,030.25 = 2,176.77/x
  3. Step 3: Cross multiply
    8,020.16x = 12,030.25 × 2,176.77
  4. Step 4: Simplify right side
    8,020.16x = 26,187,087.29
  5. Step 5: Solve for x
    x = 26,187,087.29/8,020.16
  6. Step 6: Final answer
    x = 3,265.16

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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.