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Finding the Fourth Proportional to 6,235.68, 9,353.52 and 4,159.74

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Solution

The fourth proportional to 6,235.68, 9,353.52 and 4,159.74 is: 6,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.68 : 9,353.52 = 4,159.74 : x
  2. Step 2: Convert to fraction form
    6,235.68/9,353.52 = 4,159.74/x
  3. Step 3: Cross multiply
    6,235.68x = 9,353.52 × 4,159.74
  4. Step 4: Simplify right side
    6,235.68x = 38,908,211.28
  5. Step 5: Solve for x
    x = 38,908,211.28/6,235.68
  6. Step 6: Final answer
    x = 6,239.61

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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.