Home / 8,155.09-11,251.36-4,569.49

Finding the Fourth Proportional to 8,155.09, 11,251.36 and 4,569.49

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Solution

The fourth proportional to 8,155.09, 11,251.36 and 4,569.49 is: 6,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.09 : 11,251.36 = 4,569.49 : x
  2. Step 2: Convert to fraction form
    8,155.09/11,251.36 = 4,569.49/x
  3. Step 3: Cross multiply
    8,155.09x = 11,251.36 × 4,569.49
  4. Step 4: Simplify right side
    8,155.09x = 51,412,977.01
  5. Step 5: Solve for x
    x = 51,412,977.01/8,155.09
  6. Step 6: Final answer
    x = 6,304.40

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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.