Home / 8,817.57-13,209.98-4,438.08

Finding the Fourth Proportional to 8,817.57, 13,209.98 and 4,438.08

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Solution

The fourth proportional to 8,817.57, 13,209.98 and 4,438.08 is: 6,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.57 : 13,209.98 = 4,438.08 : x
  2. Step 2: Convert to fraction form
    8,817.57/13,209.98 = 4,438.08/x
  3. Step 3: Cross multiply
    8,817.57x = 13,209.98 × 4,438.08
  4. Step 4: Simplify right side
    8,817.57x = 58,626,925.85
  5. Step 5: Solve for x
    x = 58,626,925.85/8,817.57
  6. Step 6: Final answer
    x = 6,648.88

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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.