Home / 4,882.02-7,310.50-2,688.30

Finding the Fourth Proportional to 4,882.02, 7,310.50 and 2,688.30

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Solution

The fourth proportional to 4,882.02, 7,310.50 and 2,688.30 is: 4,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.02 : 7,310.50 = 2,688.30 : x
  2. Step 2: Convert to fraction form
    4,882.02/7,310.50 = 2,688.30/x
  3. Step 3: Cross multiply
    4,882.02x = 7,310.50 × 2,688.30
  4. Step 4: Simplify right side
    4,882.02x = 19,652,817.15
  5. Step 5: Solve for x
    x = 19,652,817.15/4,882.02
  6. Step 6: Final answer
    x = 4,025.55

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1.5x scale

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.