Home / 5,153.12-7,715.28-2,682.56

Finding the Fourth Proportional to 5,153.12, 7,715.28 and 2,682.56

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Solution

The fourth proportional to 5,153.12, 7,715.28 and 2,682.56 is: 4,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.12 : 7,715.28 = 2,682.56 : x
  2. Step 2: Convert to fraction form
    5,153.12/7,715.28 = 2,682.56/x
  3. Step 3: Cross multiply
    5,153.12x = 7,715.28 × 2,682.56
  4. Step 4: Simplify right side
    5,153.12x = 20,696,701.52
  5. Step 5: Solve for x
    x = 20,696,701.52/5,153.12
  6. Step 6: Final answer
    x = 4,016.34

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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.