Home / 5,051.28-6,971.16-2,813.64

Finding the Fourth Proportional to 5,051.28, 6,971.16 and 2,813.64

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Solution

The fourth proportional to 5,051.28, 6,971.16 and 2,813.64 is: 3,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.28 : 6,971.16 = 2,813.64 : x
  2. Step 2: Convert to fraction form
    5,051.28/6,971.16 = 2,813.64/x
  3. Step 3: Cross multiply
    5,051.28x = 6,971.16 × 2,813.64
  4. Step 4: Simplify right side
    5,051.28x = 19,614,334.62
  5. Step 5: Solve for x
    x = 19,614,334.62/5,051.28
  6. Step 6: Final answer
    x = 3,883.04

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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.