Home / 4,581.56-6,872.34-1,118.81

Finding the Fourth Proportional to 4,581.56, 6,872.34 and 1,118.81

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Solution

The fourth proportional to 4,581.56, 6,872.34 and 1,118.81 is: 1,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.56 : 6,872.34 = 1,118.81 : x
  2. Step 2: Convert to fraction form
    4,581.56/6,872.34 = 1,118.81/x
  3. Step 3: Cross multiply
    4,581.56x = 6,872.34 × 1,118.81
  4. Step 4: Simplify right side
    4,581.56x = 7,688,864.09
  5. Step 5: Solve for x
    x = 7,688,864.09/4,581.56
  6. Step 6: Final answer
    x = 1,678.22

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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.