Home / 7,210.91-10,817.70-2,281.79

Finding the Fourth Proportional to 7,210.91, 10,817.70 and 2,281.79

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Solution

The fourth proportional to 7,210.91, 10,817.70 and 2,281.79 is: 3,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.91 : 10,817.70 = 2,281.79 : x
  2. Step 2: Convert to fraction form
    7,210.91/10,817.70 = 2,281.79/x
  3. Step 3: Cross multiply
    7,210.91x = 10,817.70 × 2,281.79
  4. Step 4: Simplify right side
    7,210.91x = 24,683,719.68
  5. Step 5: Solve for x
    x = 24,683,719.68/7,210.91
  6. Step 6: Final answer
    x = 3,423.11

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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.