Home / 5,076.31-7,005.02-2,837.74

Finding the Fourth Proportional to 5,076.31, 7,005.02 and 2,837.74

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Solution

The fourth proportional to 5,076.31, 7,005.02 and 2,837.74 is: 3,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.31 : 7,005.02 = 2,837.74 : x
  2. Step 2: Convert to fraction form
    5,076.31/7,005.02 = 2,837.74/x
  3. Step 3: Cross multiply
    5,076.31x = 7,005.02 × 2,837.74
  4. Step 4: Simplify right side
    5,076.31x = 19,878,425.45
  5. Step 5: Solve for x
    x = 19,878,425.45/5,076.31
  6. Step 6: Final answer
    x = 3,915.92

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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.