Home / 4,688.67-6,472.95-3,198.78

Finding the Fourth Proportional to 4,688.67, 6,472.95 and 3,198.78

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Solution

The fourth proportional to 4,688.67, 6,472.95 and 3,198.78 is: 4,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.67 : 6,472.95 = 3,198.78 : x
  2. Step 2: Convert to fraction form
    4,688.67/6,472.95 = 3,198.78/x
  3. Step 3: Cross multiply
    4,688.67x = 6,472.95 × 3,198.78
  4. Step 4: Simplify right side
    4,688.67x = 20,705,543.00
  5. Step 5: Solve for x
    x = 20,705,543.00/4,688.67
  6. Step 6: Final answer
    x = 4,416.08

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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.