Home / 8,131.66-12,187.50-4,624.59

Finding the Fourth Proportional to 8,131.66, 12,187.50 and 4,624.59

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Solution

The fourth proportional to 8,131.66, 12,187.50 and 4,624.59 is: 6,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.66 : 12,187.50 = 4,624.59 : x
  2. Step 2: Convert to fraction form
    8,131.66/12,187.50 = 4,624.59/x
  3. Step 3: Cross multiply
    8,131.66x = 12,187.50 × 4,624.59
  4. Step 4: Simplify right side
    8,131.66x = 56,362,218.99
  5. Step 5: Solve for x
    x = 56,362,218.99/8,131.66
  6. Step 6: Final answer
    x = 6,931.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.