Home / 4,058.40-5,586.04-3,387.68

Finding the Fourth Proportional to 4,058.40, 5,586.04 and 3,387.68

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Solution

The fourth proportional to 4,058.40, 5,586.04 and 3,387.68 is: 4,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,058.40 : 5,586.04 = 3,387.68 : x
  2. Step 2: Convert to fraction form
    4,058.40/5,586.04 = 3,387.68/x
  3. Step 3: Cross multiply
    4,058.40x = 5,586.04 × 3,387.68
  4. Step 4: Simplify right side
    4,058.40x = 18,923,715.99
  5. Step 5: Solve for x
    x = 18,923,715.99/4,058.40
  6. Step 6: Final answer
    x = 4,662.85

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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.