Home / 8,813.03-13,219.34-2,572.79

Finding the Fourth Proportional to 8,813.03, 13,219.34 and 2,572.79

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Solution

The fourth proportional to 8,813.03, 13,219.34 and 2,572.79 is: 3,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.03 : 13,219.34 = 2,572.79 : x
  2. Step 2: Convert to fraction form
    8,813.03/13,219.34 = 2,572.79/x
  3. Step 3: Cross multiply
    8,813.03x = 13,219.34 × 2,572.79
  4. Step 4: Simplify right side
    8,813.03x = 34,010,506.80
  5. Step 5: Solve for x
    x = 34,010,506.80/8,813.03
  6. Step 6: Final answer
    x = 3,859.12

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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.