Home / 4,715.41-7,074.96-1,428.84

Finding the Fourth Proportional to 4,715.41, 7,074.96 and 1,428.84

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Solution

The fourth proportional to 4,715.41, 7,074.96 and 1,428.84 is: 2,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.41 : 7,074.96 = 1,428.84 : x
  2. Step 2: Convert to fraction form
    4,715.41/7,074.96 = 1,428.84/x
  3. Step 3: Cross multiply
    4,715.41x = 7,074.96 × 1,428.84
  4. Step 4: Simplify right side
    4,715.41x = 10,108,985.85
  5. Step 5: Solve for x
    x = 10,108,985.85/4,715.41
  6. Step 6: Final answer
    x = 2,143.82

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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.