Home / 5,148.37-7,104.48-3,158.59

Finding the Fourth Proportional to 5,148.37, 7,104.48 and 3,158.59

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Solution

The fourth proportional to 5,148.37, 7,104.48 and 3,158.59 is: 4,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.37 : 7,104.48 = 3,158.59 : x
  2. Step 2: Convert to fraction form
    5,148.37/7,104.48 = 3,158.59/x
  3. Step 3: Cross multiply
    5,148.37x = 7,104.48 × 3,158.59
  4. Step 4: Simplify right side
    5,148.37x = 22,440,139.48
  5. Step 5: Solve for x
    x = 22,440,139.48/5,148.37
  6. Step 6: Final answer
    x = 4,358.69

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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.