Home / 5,417.73-7,479.69-3,429.99

Finding the Fourth Proportional to 5,417.73, 7,479.69 and 3,429.99

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Solution

The fourth proportional to 5,417.73, 7,479.69 and 3,429.99 is: 4,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.73 : 7,479.69 = 3,429.99 : x
  2. Step 2: Convert to fraction form
    5,417.73/7,479.69 = 3,429.99/x
  3. Step 3: Cross multiply
    5,417.73x = 7,479.69 × 3,429.99
  4. Step 4: Simplify right side
    5,417.73x = 25,655,261.90
  5. Step 5: Solve for x
    x = 25,655,261.90/5,417.73
  6. Step 6: Final answer
    x = 4,735.43

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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.