Home / 4,980.48-7,464.96-2,642.76

Finding the Fourth Proportional to 4,980.48, 7,464.96 and 2,642.76

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Solution

The fourth proportional to 4,980.48, 7,464.96 and 2,642.76 is: 3,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.48 : 7,464.96 = 2,642.76 : x
  2. Step 2: Convert to fraction form
    4,980.48/7,464.96 = 2,642.76/x
  3. Step 3: Cross multiply
    4,980.48x = 7,464.96 × 2,642.76
  4. Step 4: Simplify right side
    4,980.48x = 19,728,097.69
  5. Step 5: Solve for x
    x = 19,728,097.69/4,980.48
  6. Step 6: Final answer
    x = 3,961.08

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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.