Home / 4,638.81-6,957.27-2,172.96

Finding the Fourth Proportional to 4,638.81, 6,957.27 and 2,172.96

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Solution

The fourth proportional to 4,638.81, 6,957.27 and 2,172.96 is: 3,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.81 : 6,957.27 = 2,172.96 : x
  2. Step 2: Convert to fraction form
    4,638.81/6,957.27 = 2,172.96/x
  3. Step 3: Cross multiply
    4,638.81x = 6,957.27 × 2,172.96
  4. Step 4: Simplify right side
    4,638.81x = 15,117,869.42
  5. Step 5: Solve for x
    x = 15,117,869.42/4,638.81
  6. Step 6: Final answer
    x = 3,259.00

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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.