Home / 5,148.94-7,101.30-3,158.09

Finding the Fourth Proportional to 5,148.94, 7,101.30 and 3,158.09

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Solution

The fourth proportional to 5,148.94, 7,101.30 and 3,158.09 is: 4,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.94 : 7,101.30 = 3,158.09 : x
  2. Step 2: Convert to fraction form
    5,148.94/7,101.30 = 3,158.09/x
  3. Step 3: Cross multiply
    5,148.94x = 7,101.30 × 3,158.09
  4. Step 4: Simplify right side
    5,148.94x = 22,426,544.52
  5. Step 5: Solve for x
    x = 22,426,544.52/5,148.94
  6. Step 6: Final answer
    x = 4,355.57

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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.