Home / 7,817.49-10,789.07-4,673.61

Finding the Fourth Proportional to 7,817.49, 10,789.07 and 4,673.61

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Solution

The fourth proportional to 7,817.49, 10,789.07 and 4,673.61 is: 6,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.49 : 10,789.07 = 4,673.61 : x
  2. Step 2: Convert to fraction form
    7,817.49/10,789.07 = 4,673.61/x
  3. Step 3: Cross multiply
    7,817.49x = 10,789.07 × 4,673.61
  4. Step 4: Simplify right side
    7,817.49x = 50,423,882.07
  5. Step 5: Solve for x
    x = 50,423,882.07/7,817.49
  6. Step 6: Final answer
    x = 6,450.14

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1.5x scale

Why These Related Problems?

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