Home / 9,748.80-14,623.20-3,909.60

Finding the Fourth Proportional to 9,748.80, 14,623.20 and 3,909.60

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Solution

The fourth proportional to 9,748.80, 14,623.20 and 3,909.60 is: 5,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,748.80 : 14,623.20 = 3,909.60 : x
  2. Step 2: Convert to fraction form
    9,748.80/14,623.20 = 3,909.60/x
  3. Step 3: Cross multiply
    9,748.80x = 14,623.20 × 3,909.60
  4. Step 4: Simplify right side
    9,748.80x = 57,170,862.72
  5. Step 5: Solve for x
    x = 57,170,862.72/9,748.80
  6. Step 6: Final answer
    x = 5,864.40

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Similar ratio
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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.