Home / 5,143.84-7,717.95-2,513.67

Finding the Fourth Proportional to 5,143.84, 7,717.95 and 2,513.67

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Solution

The fourth proportional to 5,143.84, 7,717.95 and 2,513.67 is: 3,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.84 : 7,717.95 = 2,513.67 : x
  2. Step 2: Convert to fraction form
    5,143.84/7,717.95 = 2,513.67/x
  3. Step 3: Cross multiply
    5,143.84x = 7,717.95 × 2,513.67
  4. Step 4: Simplify right side
    5,143.84x = 19,400,350.43
  5. Step 5: Solve for x
    x = 19,400,350.43/5,143.84
  6. Step 6: Final answer
    x = 3,771.57

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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.