Home / 4,277.02-6,404.64-3,620.92

Finding the Fourth Proportional to 4,277.02, 6,404.64 and 3,620.92

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Solution

The fourth proportional to 4,277.02, 6,404.64 and 3,620.92 is: 5,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.02 : 6,404.64 = 3,620.92 : x
  2. Step 2: Convert to fraction form
    4,277.02/6,404.64 = 3,620.92/x
  3. Step 3: Cross multiply
    4,277.02x = 6,404.64 × 3,620.92
  4. Step 4: Simplify right side
    4,277.02x = 23,190,689.07
  5. Step 5: Solve for x
    x = 23,190,689.07/4,277.02
  6. Step 6: Final answer
    x = 5,422.16

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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.