Home / 5,116.05-7,056.36-3,124.97

Finding the Fourth Proportional to 5,116.05, 7,056.36 and 3,124.97

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Solution

The fourth proportional to 5,116.05, 7,056.36 and 3,124.97 is: 4,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.05 : 7,056.36 = 3,124.97 : x
  2. Step 2: Convert to fraction form
    5,116.05/7,056.36 = 3,124.97/x
  3. Step 3: Cross multiply
    5,116.05x = 7,056.36 × 3,124.97
  4. Step 4: Simplify right side
    5,116.05x = 22,050,878.03
  5. Step 5: Solve for x
    x = 22,050,878.03/5,116.05
  6. Step 6: Final answer
    x = 4,310.14

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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.