Home / 8,011.96-12,005.76-5,081.32

Finding the Fourth Proportional to 8,011.96, 12,005.76 and 5,081.32

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Solution

The fourth proportional to 8,011.96, 12,005.76 and 5,081.32 is: 7,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.96 : 12,005.76 = 5,081.32 : x
  2. Step 2: Convert to fraction form
    8,011.96/12,005.76 = 5,081.32/x
  3. Step 3: Cross multiply
    8,011.96x = 12,005.76 × 5,081.32
  4. Step 4: Simplify right side
    8,011.96x = 61,005,108.40
  5. Step 5: Solve for x
    x = 61,005,108.40/8,011.96
  6. Step 6: Final answer
    x = 7,614.26

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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.