Home / 7,681.13-11,523.51-2,487

Finding the Fourth Proportional to 7,681.13, 11,523.51 and 2,487

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Solution

The fourth proportional to 7,681.13, 11,523.51 and 2,487 is: 3,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.13 : 11,523.51 = 2,487 : x
  2. Step 2: Convert to fraction form
    7,681.13/11,523.51 = 2,487/x
  3. Step 3: Cross multiply
    7,681.13x = 11,523.51 × 2,487
  4. Step 4: Simplify right side
    7,681.13x = 28,658,969.37
  5. Step 5: Solve for x
    x = 28,658,969.37/7,681.13
  6. Step 6: Final answer
    x = 3,731.09

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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.