Home / 4,997.28-7,485.38-2,775.98

Finding the Fourth Proportional to 4,997.28, 7,485.38 and 2,775.98

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Solution

The fourth proportional to 4,997.28, 7,485.38 and 2,775.98 is: 4,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.28 : 7,485.38 = 2,775.98 : x
  2. Step 2: Convert to fraction form
    4,997.28/7,485.38 = 2,775.98/x
  3. Step 3: Cross multiply
    4,997.28x = 7,485.38 × 2,775.98
  4. Step 4: Simplify right side
    4,997.28x = 20,779,265.17
  5. Step 5: Solve for x
    x = 20,779,265.17/4,997.28
  6. Step 6: Final answer
    x = 4,158.12

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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.