Home / 6,143-8,474.64-3,623.72

Finding the Fourth Proportional to 6,143, 8,474.64 and 3,623.72

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Solution

The fourth proportional to 6,143, 8,474.64 and 3,623.72 is: 4,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143 : 8,474.64 = 3,623.72 : x
  2. Step 2: Convert to fraction form
    6,143/8,474.64 = 3,623.72/x
  3. Step 3: Cross multiply
    6,143x = 8,474.64 × 3,623.72
  4. Step 4: Simplify right side
    6,143x = 30,709,722.46
  5. Step 5: Solve for x
    x = 30,709,722.46/6,143
  6. Step 6: Final answer
    x = 4,999.14

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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.