Home / 10,392.28-15,579.74-4,842.77

Finding the Fourth Proportional to 10,392.28, 15,579.74 and 4,842.77

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Solution

The fourth proportional to 10,392.28, 15,579.74 and 4,842.77 is: 7,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.28 : 15,579.74 = 4,842.77 : x
  2. Step 2: Convert to fraction form
    10,392.28/15,579.74 = 4,842.77/x
  3. Step 3: Cross multiply
    10,392.28x = 15,579.74 × 4,842.77
  4. Step 4: Simplify right side
    10,392.28x = 75,449,031.69
  5. Step 5: Solve for x
    x = 75,449,031.69/10,392.28
  6. Step 6: Final answer
    x = 7,260.11

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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.