Home / 4,885.67-7,322.18-3,129.99

Finding the Fourth Proportional to 4,885.67, 7,322.18 and 3,129.99

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Solution

The fourth proportional to 4,885.67, 7,322.18 and 3,129.99 is: 4,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.67 : 7,322.18 = 3,129.99 : x
  2. Step 2: Convert to fraction form
    4,885.67/7,322.18 = 3,129.99/x
  3. Step 3: Cross multiply
    4,885.67x = 7,322.18 × 3,129.99
  4. Step 4: Simplify right side
    4,885.67x = 22,918,334.53
  5. Step 5: Solve for x
    x = 22,918,334.53/4,885.67
  6. Step 6: Final answer
    x = 4,690.93

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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.