Home / 9,765.41-13,476.51-5,785.88

Finding the Fourth Proportional to 9,765.41, 13,476.51 and 5,785.88

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Solution

The fourth proportional to 9,765.41, 13,476.51 and 5,785.88 is: 7,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.41 : 13,476.51 = 5,785.88 : x
  2. Step 2: Convert to fraction form
    9,765.41/13,476.51 = 5,785.88/x
  3. Step 3: Cross multiply
    9,765.41x = 13,476.51 × 5,785.88
  4. Step 4: Simplify right side
    9,765.41x = 77,973,402.30
  5. Step 5: Solve for x
    x = 77,973,402.30/9,765.41
  6. Step 6: Final answer
    x = 7,984.66

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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.