Home / 8,905.23-12,291.11-6,079.33

Finding the Fourth Proportional to 8,905.23, 12,291.11 and 6,079.33

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Solution

The fourth proportional to 8,905.23, 12,291.11 and 6,079.33 is: 8,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.23 : 12,291.11 = 6,079.33 : x
  2. Step 2: Convert to fraction form
    8,905.23/12,291.11 = 6,079.33/x
  3. Step 3: Cross multiply
    8,905.23x = 12,291.11 × 6,079.33
  4. Step 4: Simplify right side
    8,905.23x = 74,721,713.76
  5. Step 5: Solve for x
    x = 74,721,713.76/8,905.23
  6. Step 6: Final answer
    x = 8,390.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.