Home / 8,153.28-11,256.30-5,913

Finding the Fourth Proportional to 8,153.28, 11,256.30 and 5,913

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Solution

The fourth proportional to 8,153.28, 11,256.30 and 5,913 is: 8,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.28 : 11,256.30 = 5,913 : x
  2. Step 2: Convert to fraction form
    8,153.28/11,256.30 = 5,913/x
  3. Step 3: Cross multiply
    8,153.28x = 11,256.30 × 5,913
  4. Step 4: Simplify right side
    8,153.28x = 66,558,501.90
  5. Step 5: Solve for x
    x = 66,558,501.90/8,153.28
  6. Step 6: Final answer
    x = 8,163.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.