Home / 8,207.19-12,312.12-2,661.93

Finding the Fourth Proportional to 8,207.19, 12,312.12 and 2,661.93

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Solution

The fourth proportional to 8,207.19, 12,312.12 and 2,661.93 is: 3,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.19 : 12,312.12 = 2,661.93 : x
  2. Step 2: Convert to fraction form
    8,207.19/12,312.12 = 2,661.93/x
  3. Step 3: Cross multiply
    8,207.19x = 12,312.12 × 2,661.93
  4. Step 4: Simplify right side
    8,207.19x = 32,774,001.59
  5. Step 5: Solve for x
    x = 32,774,001.59/8,207.19
  6. Step 6: Final answer
    x = 3,993.33

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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.