Home / 4,276.12-6,416.16-1,811.52

Finding the Fourth Proportional to 4,276.12, 6,416.16 and 1,811.52

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Solution

The fourth proportional to 4,276.12, 6,416.16 and 1,811.52 is: 2,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.12 : 6,416.16 = 1,811.52 : x
  2. Step 2: Convert to fraction form
    4,276.12/6,416.16 = 1,811.52/x
  3. Step 3: Cross multiply
    4,276.12x = 6,416.16 × 1,811.52
  4. Step 4: Simplify right side
    4,276.12x = 11,623,002.16
  5. Step 5: Solve for x
    x = 11,623,002.16/4,276.12
  6. Step 6: Final answer
    x = 2,718.12

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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.