Home / 8,391.59-11,579.49-4,854.14

Finding the Fourth Proportional to 8,391.59, 11,579.49 and 4,854.14

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Solution

The fourth proportional to 8,391.59, 11,579.49 and 4,854.14 is: 6,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.59 : 11,579.49 = 4,854.14 : x
  2. Step 2: Convert to fraction form
    8,391.59/11,579.49 = 4,854.14/x
  3. Step 3: Cross multiply
    8,391.59x = 11,579.49 × 4,854.14
  4. Step 4: Simplify right side
    8,391.59x = 56,208,407.69
  5. Step 5: Solve for x
    x = 56,208,407.69/8,391.59
  6. Step 6: Final answer
    x = 6,698.19

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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.