Home / 4,438.74-6,127.56-3,119.40

Finding the Fourth Proportional to 4,438.74, 6,127.56 and 3,119.40

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Solution

The fourth proportional to 4,438.74, 6,127.56 and 3,119.40 is: 4,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.74 : 6,127.56 = 3,119.40 : x
  2. Step 2: Convert to fraction form
    4,438.74/6,127.56 = 3,119.40/x
  3. Step 3: Cross multiply
    4,438.74x = 6,127.56 × 3,119.40
  4. Step 4: Simplify right side
    4,438.74x = 19,114,310.66
  5. Step 5: Solve for x
    x = 19,114,310.66/4,438.74
  6. Step 6: Final answer
    x = 4,306.25

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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.