Home / 5,390.83-7,438.23-3,152.27

Finding the Fourth Proportional to 5,390.83, 7,438.23 and 3,152.27

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Solution

The fourth proportional to 5,390.83, 7,438.23 and 3,152.27 is: 4,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.83 : 7,438.23 = 3,152.27 : x
  2. Step 2: Convert to fraction form
    5,390.83/7,438.23 = 3,152.27/x
  3. Step 3: Cross multiply
    5,390.83x = 7,438.23 × 3,152.27
  4. Step 4: Simplify right side
    5,390.83x = 23,447,309.28
  5. Step 5: Solve for x
    x = 23,447,309.28/5,390.83
  6. Step 6: Final answer
    x = 4,349.48

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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.