Home / 4,897.94-7,346.91-2,123.20

Finding the Fourth Proportional to 4,897.94, 7,346.91 and 2,123.20

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Solution

The fourth proportional to 4,897.94, 7,346.91 and 2,123.20 is: 3,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.94 : 7,346.91 = 2,123.20 : x
  2. Step 2: Convert to fraction form
    4,897.94/7,346.91 = 2,123.20/x
  3. Step 3: Cross multiply
    4,897.94x = 7,346.91 × 2,123.20
  4. Step 4: Simplify right side
    4,897.94x = 15,598,922.58
  5. Step 5: Solve for x
    x = 15,598,922.58/4,897.94
  6. Step 6: Final answer
    x = 3,184.79

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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.