Home / 9,758.20-14,615.70-3,911.80

Finding the Fourth Proportional to 9,758.20, 14,615.70 and 3,911.80

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Solution

The fourth proportional to 9,758.20, 14,615.70 and 3,911.80 is: 5,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,758.20 : 14,615.70 = 3,911.80 : x
  2. Step 2: Convert to fraction form
    9,758.20/14,615.70 = 3,911.80/x
  3. Step 3: Cross multiply
    9,758.20x = 14,615.70 × 3,911.80
  4. Step 4: Simplify right side
    9,758.20x = 57,173,695.26
  5. Step 5: Solve for x
    x = 57,173,695.26/9,758.20
  6. Step 6: Final answer
    x = 5,859.04

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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.