Home / 8,813.28-13,212.51-4,130.82

Finding the Fourth Proportional to 8,813.28, 13,212.51 and 4,130.82

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Solution

The fourth proportional to 8,813.28, 13,212.51 and 4,130.82 is: 6,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.28 : 13,212.51 = 4,130.82 : x
  2. Step 2: Convert to fraction form
    8,813.28/13,212.51 = 4,130.82/x
  3. Step 3: Cross multiply
    8,813.28x = 13,212.51 × 4,130.82
  4. Step 4: Simplify right side
    8,813.28x = 54,578,500.56
  5. Step 5: Solve for x
    x = 54,578,500.56/8,813.28
  6. Step 6: Final answer
    x = 6,192.76

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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.