Home / 4,539.72-6,775.75-4,429.02

Finding the Fourth Proportional to 4,539.72, 6,775.75 and 4,429.02

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Solution

The fourth proportional to 4,539.72, 6,775.75 and 4,429.02 is: 6,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.72 : 6,775.75 = 4,429.02 : x
  2. Step 2: Convert to fraction form
    4,539.72/6,775.75 = 4,429.02/x
  3. Step 3: Cross multiply
    4,539.72x = 6,775.75 × 4,429.02
  4. Step 4: Simplify right side
    4,539.72x = 30,009,932.27
  5. Step 5: Solve for x
    x = 30,009,932.27/4,539.72
  6. Step 6: Final answer
    x = 6,610.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.