Home / 4,455.34-6,148.28-2,438.75

Finding the Fourth Proportional to 4,455.34, 6,148.28 and 2,438.75

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Solution

The fourth proportional to 4,455.34, 6,148.28 and 2,438.75 is: 3,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.34 : 6,148.28 = 2,438.75 : x
  2. Step 2: Convert to fraction form
    4,455.34/6,148.28 = 2,438.75/x
  3. Step 3: Cross multiply
    4,455.34x = 6,148.28 × 2,438.75
  4. Step 4: Simplify right side
    4,455.34x = 14,994,121.03
  5. Step 5: Solve for x
    x = 14,994,121.03/4,455.34
  6. Step 6: Final answer
    x = 3,365.43

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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.