Home / 4,661.52-6,431.16-2,670.72

Finding the Fourth Proportional to 4,661.52, 6,431.16 and 2,670.72

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Solution

The fourth proportional to 4,661.52, 6,431.16 and 2,670.72 is: 3,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.52 : 6,431.16 = 2,670.72 : x
  2. Step 2: Convert to fraction form
    4,661.52/6,431.16 = 2,670.72/x
  3. Step 3: Cross multiply
    4,661.52x = 6,431.16 × 2,670.72
  4. Step 4: Simplify right side
    4,661.52x = 17,175,827.64
  5. Step 5: Solve for x
    x = 17,175,827.64/4,661.52
  6. Step 6: Final answer
    x = 3,684.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.