Home / 8,488.81-11,714.66-4,712.05

Finding the Fourth Proportional to 8,488.81, 11,714.66 and 4,712.05

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Solution

The fourth proportional to 8,488.81, 11,714.66 and 4,712.05 is: 6,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.81 : 11,714.66 = 4,712.05 : x
  2. Step 2: Convert to fraction form
    8,488.81/11,714.66 = 4,712.05/x
  3. Step 3: Cross multiply
    8,488.81x = 11,714.66 × 4,712.05
  4. Step 4: Simplify right side
    8,488.81x = 55,200,063.65
  5. Step 5: Solve for x
    x = 55,200,063.65/8,488.81
  6. Step 6: Final answer
    x = 6,502.69

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