Home / 5,071.58-7,607.40-2,151.92

Finding the Fourth Proportional to 5,071.58, 7,607.40 and 2,151.92

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Solution

The fourth proportional to 5,071.58, 7,607.40 and 2,151.92 is: 3,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.58 : 7,607.40 = 2,151.92 : x
  2. Step 2: Convert to fraction form
    5,071.58/7,607.40 = 2,151.92/x
  3. Step 3: Cross multiply
    5,071.58x = 7,607.40 × 2,151.92
  4. Step 4: Simplify right side
    5,071.58x = 16,370,516.21
  5. Step 5: Solve for x
    x = 16,370,516.21/5,071.58
  6. Step 6: Final answer
    x = 3,227.89

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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.