Home / 4,487.19-6,185.90-3,156.76

Finding the Fourth Proportional to 4,487.19, 6,185.90 and 3,156.76

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Solution

The fourth proportional to 4,487.19, 6,185.90 and 3,156.76 is: 4,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.19 : 6,185.90 = 3,156.76 : x
  2. Step 2: Convert to fraction form
    4,487.19/6,185.90 = 3,156.76/x
  3. Step 3: Cross multiply
    4,487.19x = 6,185.90 × 3,156.76
  4. Step 4: Simplify right side
    4,487.19x = 19,527,393.63
  5. Step 5: Solve for x
    x = 19,527,393.63/4,487.19
  6. Step 6: Final answer
    x = 4,351.81

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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.