Home / 5,117.05-7,059.52-2,878.41

Finding the Fourth Proportional to 5,117.05, 7,059.52 and 2,878.41

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Solution

The fourth proportional to 5,117.05, 7,059.52 and 2,878.41 is: 3,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.05 : 7,059.52 = 2,878.41 : x
  2. Step 2: Convert to fraction form
    5,117.05/7,059.52 = 2,878.41/x
  3. Step 3: Cross multiply
    5,117.05x = 7,059.52 × 2,878.41
  4. Step 4: Simplify right side
    5,117.05x = 20,320,192.96
  5. Step 5: Solve for x
    x = 20,320,192.96/5,117.05
  6. Step 6: Final answer
    x = 3,971.08

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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.