Home / 9,897.20-14,846.80-3,658.88

Finding the Fourth Proportional to 9,897.20, 14,846.80 and 3,658.88

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Solution

The fourth proportional to 9,897.20, 14,846.80 and 3,658.88 is: 5,488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,897.20 : 14,846.80 = 3,658.88 : x
  2. Step 2: Convert to fraction form
    9,897.20/14,846.80 = 3,658.88/x
  3. Step 3: Cross multiply
    9,897.20x = 14,846.80 × 3,658.88
  4. Step 4: Simplify right side
    9,897.20x = 54,322,659.58
  5. Step 5: Solve for x
    x = 54,322,659.58/9,897.20
  6. Step 6: Final answer
    x = 5,488.69

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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.