Home / 8,631.12-11,910.66-4,854.45

Finding the Fourth Proportional to 8,631.12, 11,910.66 and 4,854.45

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Solution

The fourth proportional to 8,631.12, 11,910.66 and 4,854.45 is: 6,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.12 : 11,910.66 = 4,854.45 : x
  2. Step 2: Convert to fraction form
    8,631.12/11,910.66 = 4,854.45/x
  3. Step 3: Cross multiply
    8,631.12x = 11,910.66 × 4,854.45
  4. Step 4: Simplify right side
    8,631.12x = 57,819,690.21
  5. Step 5: Solve for x
    x = 57,819,690.21/8,631.12
  6. Step 6: Final answer
    x = 6,698.98

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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.