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Finding the Fourth Proportional to 5,658.72, 7,808.97 and 3,301.23

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Solution

The fourth proportional to 5,658.72, 7,808.97 and 3,301.23 is: 4,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.72 : 7,808.97 = 3,301.23 : x
  2. Step 2: Convert to fraction form
    5,658.72/7,808.97 = 3,301.23/x
  3. Step 3: Cross multiply
    5,658.72x = 7,808.97 × 3,301.23
  4. Step 4: Simplify right side
    5,658.72x = 25,779,206.03
  5. Step 5: Solve for x
    x = 25,779,206.03/5,658.72
  6. Step 6: Final answer
    x = 4,555.66

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1.5x scale

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.