Home / 5,071.68-6,998.88-3,561.36

Finding the Fourth Proportional to 5,071.68, 6,998.88 and 3,561.36

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Solution

The fourth proportional to 5,071.68, 6,998.88 and 3,561.36 is: 4,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.68 : 6,998.88 = 3,561.36 : x
  2. Step 2: Convert to fraction form
    5,071.68/6,998.88 = 3,561.36/x
  3. Step 3: Cross multiply
    5,071.68x = 6,998.88 × 3,561.36
  4. Step 4: Simplify right side
    5,071.68x = 24,925,531.28
  5. Step 5: Solve for x
    x = 24,925,531.28/5,071.68
  6. Step 6: Final answer
    x = 4,914.65

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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.