Home / 9,434.80-13,020.75-5,658.11

Finding the Fourth Proportional to 9,434.80, 13,020.75 and 5,658.11

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Solution

The fourth proportional to 9,434.80, 13,020.75 and 5,658.11 is: 7,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.80 : 13,020.75 = 5,658.11 : x
  2. Step 2: Convert to fraction form
    9,434.80/13,020.75 = 5,658.11/x
  3. Step 3: Cross multiply
    9,434.80x = 13,020.75 × 5,658.11
  4. Step 4: Simplify right side
    9,434.80x = 73,672,835.78
  5. Step 5: Solve for x
    x = 73,672,835.78/9,434.80
  6. Step 6: Final answer
    x = 7,808.63

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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.