Home / 4,720.63-6,515.19-2,731.15

Finding the Fourth Proportional to 4,720.63, 6,515.19 and 2,731.15

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Solution

The fourth proportional to 4,720.63, 6,515.19 and 2,731.15 is: 3,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.63 : 6,515.19 = 2,731.15 : x
  2. Step 2: Convert to fraction form
    4,720.63/6,515.19 = 2,731.15/x
  3. Step 3: Cross multiply
    4,720.63x = 6,515.19 × 2,731.15
  4. Step 4: Simplify right side
    4,720.63x = 17,793,961.17
  5. Step 5: Solve for x
    x = 17,793,961.17/4,720.63
  6. Step 6: Final answer
    x = 3,769.40

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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.