Home / 5,071.53-7,599.99-2,145.81

Finding the Fourth Proportional to 5,071.53, 7,599.99 and 2,145.81

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Solution

The fourth proportional to 5,071.53, 7,599.99 and 2,145.81 is: 3,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.53 : 7,599.99 = 2,145.81 : x
  2. Step 2: Convert to fraction form
    5,071.53/7,599.99 = 2,145.81/x
  3. Step 3: Cross multiply
    5,071.53x = 7,599.99 × 2,145.81
  4. Step 4: Simplify right side
    5,071.53x = 16,308,134.54
  5. Step 5: Solve for x
    x = 16,308,134.54/5,071.53
  6. Step 6: Final answer
    x = 3,215.62

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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.