Home / 8,631.59-11,911.05-4,854.29

Finding the Fourth Proportional to 8,631.59, 11,911.05 and 4,854.29

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Solution

The fourth proportional to 8,631.59, 11,911.05 and 4,854.29 is: 6,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.59 : 11,911.05 = 4,854.29 : x
  2. Step 2: Convert to fraction form
    8,631.59/11,911.05 = 4,854.29/x
  3. Step 3: Cross multiply
    8,631.59x = 11,911.05 × 4,854.29
  4. Step 4: Simplify right side
    8,631.59x = 57,819,631.35
  5. Step 5: Solve for x
    x = 57,819,631.35/8,631.59
  6. Step 6: Final answer
    x = 6,698.61

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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.