Home / 6,474.27-8,937.72-4,239.57

Finding the Fourth Proportional to 6,474.27, 8,937.72 and 4,239.57

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Solution

The fourth proportional to 6,474.27, 8,937.72 and 4,239.57 is: 5,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.27 : 8,937.72 = 4,239.57 : x
  2. Step 2: Convert to fraction form
    6,474.27/8,937.72 = 4,239.57/x
  3. Step 3: Cross multiply
    6,474.27x = 8,937.72 × 4,239.57
  4. Step 4: Simplify right side
    6,474.27x = 37,892,089.58
  5. Step 5: Solve for x
    x = 37,892,089.58/6,474.27
  6. Step 6: Final answer
    x = 5,852.72

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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.