Home / 10,204.79-15,307.27-2,809.66

Finding the Fourth Proportional to 10,204.79, 15,307.27 and 2,809.66

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Solution

The fourth proportional to 10,204.79, 15,307.27 and 2,809.66 is: 4,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.79 : 15,307.27 = 2,809.66 : x
  2. Step 2: Convert to fraction form
    10,204.79/15,307.27 = 2,809.66/x
  3. Step 3: Cross multiply
    10,204.79x = 15,307.27 × 2,809.66
  4. Step 4: Simplify right side
    10,204.79x = 43,008,178.94
  5. Step 5: Solve for x
    x = 43,008,178.94/10,204.79
  6. Step 6: Final answer
    x = 4,214.51

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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.