Home / 4,961.02-7,442.90-2,189.91

Finding the Fourth Proportional to 4,961.02, 7,442.90 and 2,189.91

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Solution

The fourth proportional to 4,961.02, 7,442.90 and 2,189.91 is: 3,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.02 : 7,442.90 = 2,189.91 : x
  2. Step 2: Convert to fraction form
    4,961.02/7,442.90 = 2,189.91/x
  3. Step 3: Cross multiply
    4,961.02x = 7,442.90 × 2,189.91
  4. Step 4: Simplify right side
    4,961.02x = 16,299,281.14
  5. Step 5: Solve for x
    x = 16,299,281.14/4,961.02
  6. Step 6: Final answer
    x = 3,285.47

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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.