Home / 4,624.36-6,938.80-2,158.81

Finding the Fourth Proportional to 4,624.36, 6,938.80 and 2,158.81

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Solution

The fourth proportional to 4,624.36, 6,938.80 and 2,158.81 is: 3,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.36 : 6,938.80 = 2,158.81 : x
  2. Step 2: Convert to fraction form
    4,624.36/6,938.80 = 2,158.81/x
  3. Step 3: Cross multiply
    4,624.36x = 6,938.80 × 2,158.81
  4. Step 4: Simplify right side
    4,624.36x = 14,979,528.08
  5. Step 5: Solve for x
    x = 14,979,528.08/4,624.36
  6. Step 6: Final answer
    x = 3,239.27

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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.