Home / 8,561.28-11,813.64-4,783.68

Finding the Fourth Proportional to 8,561.28, 11,813.64 and 4,783.68

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Solution

The fourth proportional to 8,561.28, 11,813.64 and 4,783.68 is: 6,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561.28 : 11,813.64 = 4,783.68 : x
  2. Step 2: Convert to fraction form
    8,561.28/11,813.64 = 4,783.68/x
  3. Step 3: Cross multiply
    8,561.28x = 11,813.64 × 4,783.68
  4. Step 4: Simplify right side
    8,561.28x = 56,512,673.40
  5. Step 5: Solve for x
    x = 56,512,673.40/8,561.28
  6. Step 6: Final answer
    x = 6,600.96

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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.