Home / 4,272.16-6,404.88-1,674.88

Finding the Fourth Proportional to 4,272.16, 6,404.88 and 1,674.88

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Solution

The fourth proportional to 4,272.16, 6,404.88 and 1,674.88 is: 2,511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.16 : 6,404.88 = 1,674.88 : x
  2. Step 2: Convert to fraction form
    4,272.16/6,404.88 = 1,674.88/x
  3. Step 3: Cross multiply
    4,272.16x = 6,404.88 × 1,674.88
  4. Step 4: Simplify right side
    4,272.16x = 10,727,405.41
  5. Step 5: Solve for x
    x = 10,727,405.41/4,272.16
  6. Step 6: Final answer
    x = 2,511.00

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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.