Home / 5,002.56-6,903.80-2,878.41

Finding the Fourth Proportional to 5,002.56, 6,903.80 and 2,878.41

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Solution

The fourth proportional to 5,002.56, 6,903.80 and 2,878.41 is: 3,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.56 : 6,903.80 = 2,878.41 : x
  2. Step 2: Convert to fraction form
    5,002.56/6,903.80 = 2,878.41/x
  3. Step 3: Cross multiply
    5,002.56x = 6,903.80 × 2,878.41
  4. Step 4: Simplify right side
    5,002.56x = 19,871,960.54
  5. Step 5: Solve for x
    x = 19,871,960.54/5,002.56
  6. Step 6: Final answer
    x = 3,972.36

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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.