Home / 10,488.42-14,473.49-5,771.79

Finding the Fourth Proportional to 10,488.42, 14,473.49 and 5,771.79

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Solution

The fourth proportional to 10,488.42, 14,473.49 and 5,771.79 is: 7,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.42 : 14,473.49 = 5,771.79 : x
  2. Step 2: Convert to fraction form
    10,488.42/14,473.49 = 5,771.79/x
  3. Step 3: Cross multiply
    10,488.42x = 14,473.49 × 5,771.79
  4. Step 4: Simplify right side
    10,488.42x = 83,537,915.99
  5. Step 5: Solve for x
    x = 83,537,915.99/10,488.42
  6. Step 6: Final answer
    x = 7,964.78

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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.