Home / 8,809.49-13,219.57-3,545.67

Finding the Fourth Proportional to 8,809.49, 13,219.57 and 3,545.67

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Solution

The fourth proportional to 8,809.49, 13,219.57 and 3,545.67 is: 5,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.49 : 13,219.57 = 3,545.67 : x
  2. Step 2: Convert to fraction form
    8,809.49/13,219.57 = 3,545.67/x
  3. Step 3: Cross multiply
    8,809.49x = 13,219.57 × 3,545.67
  4. Step 4: Simplify right side
    8,809.49x = 46,872,286.77
  5. Step 5: Solve for x
    x = 46,872,286.77/8,809.49
  6. Step 6: Final answer
    x = 5,320.66

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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.