Home / 5,116.56-7,060.02-2,878.14

Finding the Fourth Proportional to 5,116.56, 7,060.02 and 2,878.14

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Solution

The fourth proportional to 5,116.56, 7,060.02 and 2,878.14 is: 3,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.56 : 7,060.02 = 2,878.14 : x
  2. Step 2: Convert to fraction form
    5,116.56/7,060.02 = 2,878.14/x
  3. Step 3: Cross multiply
    5,116.56x = 7,060.02 × 2,878.14
  4. Step 4: Simplify right side
    5,116.56x = 20,319,725.96
  5. Step 5: Solve for x
    x = 20,319,725.96/5,116.56
  6. Step 6: Final answer
    x = 3,971.36

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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.