Home / 10,279.67-15,421.93-3,260.00

Finding the Fourth Proportional to 10,279.67, 15,421.93 and 3,260.00

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Solution

The fourth proportional to 10,279.67, 15,421.93 and 3,260.00 is: 4,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.67 : 15,421.93 = 3,260.00 : x
  2. Step 2: Convert to fraction form
    10,279.67/15,421.93 = 3,260.00/x
  3. Step 3: Cross multiply
    10,279.67x = 15,421.93 × 3,260.00
  4. Step 4: Simplify right side
    10,279.67x = 50,275,522.20
  5. Step 5: Solve for x
    x = 50,275,522.20/10,279.67
  6. Step 6: Final answer
    x = 4,890.77

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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.