Home / 4,890.30-7,330.05-2,700.60

Finding the Fourth Proportional to 4,890.30, 7,330.05 and 2,700.60

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Solution

The fourth proportional to 4,890.30, 7,330.05 and 2,700.60 is: 4,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.30 : 7,330.05 = 2,700.60 : x
  2. Step 2: Convert to fraction form
    4,890.30/7,330.05 = 2,700.60/x
  3. Step 3: Cross multiply
    4,890.30x = 7,330.05 × 2,700.60
  4. Step 4: Simplify right side
    4,890.30x = 19,795,533.03
  5. Step 5: Solve for x
    x = 19,795,533.03/4,890.30
  6. Step 6: Final answer
    x = 4,047.92

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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.