Home / 4,709.69-6,499.38-2,720.24

Finding the Fourth Proportional to 4,709.69, 6,499.38 and 2,720.24

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Solution

The fourth proportional to 4,709.69, 6,499.38 and 2,720.24 is: 3,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.69 : 6,499.38 = 2,720.24 : x
  2. Step 2: Convert to fraction form
    4,709.69/6,499.38 = 2,720.24/x
  3. Step 3: Cross multiply
    4,709.69x = 6,499.38 × 2,720.24
  4. Step 4: Simplify right side
    4,709.69x = 17,679,840.95
  5. Step 5: Solve for x
    x = 17,679,840.95/4,709.69
  6. Step 6: Final answer
    x = 3,753.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.