Home / 5,087.28-7,621.02-3,750.64

Finding the Fourth Proportional to 5,087.28, 7,621.02 and 3,750.64

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Solution

The fourth proportional to 5,087.28, 7,621.02 and 3,750.64 is: 5,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.28 : 7,621.02 = 3,750.64 : x
  2. Step 2: Convert to fraction form
    5,087.28/7,621.02 = 3,750.64/x
  3. Step 3: Cross multiply
    5,087.28x = 7,621.02 × 3,750.64
  4. Step 4: Simplify right side
    5,087.28x = 28,583,702.45
  5. Step 5: Solve for x
    x = 28,583,702.45/5,087.28
  6. Step 6: Final answer
    x = 5,618.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.