Home / 4,272.16-6,409.08-1,806.96

Finding the Fourth Proportional to 4,272.16, 6,409.08 and 1,806.96

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Solution

The fourth proportional to 4,272.16, 6,409.08 and 1,806.96 is: 2,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.16 : 6,409.08 = 1,806.96 : x
  2. Step 2: Convert to fraction form
    4,272.16/6,409.08 = 1,806.96/x
  3. Step 3: Cross multiply
    4,272.16x = 6,409.08 × 1,806.96
  4. Step 4: Simplify right side
    4,272.16x = 11,580,951.20
  5. Step 5: Solve for x
    x = 11,580,951.20/4,272.16
  6. Step 6: Final answer
    x = 2,710.80

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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.