Home / 8,879.75-13,306.91-6,521.24

Finding the Fourth Proportional to 8,879.75, 13,306.91 and 6,521.24

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Solution

The fourth proportional to 8,879.75, 13,306.91 and 6,521.24 is: 9,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.75 : 13,306.91 = 6,521.24 : x
  2. Step 2: Convert to fraction form
    8,879.75/13,306.91 = 6,521.24/x
  3. Step 3: Cross multiply
    8,879.75x = 13,306.91 × 6,521.24
  4. Step 4: Simplify right side
    8,879.75x = 86,777,603.34
  5. Step 5: Solve for x
    x = 86,777,603.34/8,879.75
  6. Step 6: Final answer
    x = 9,772.53

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1.5x scale

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.