Home / 5,341.28-7,370.60-3,216.40

Finding the Fourth Proportional to 5,341.28, 7,370.60 and 3,216.40

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Solution

The fourth proportional to 5,341.28, 7,370.60 and 3,216.40 is: 4,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.28 : 7,370.60 = 3,216.40 : x
  2. Step 2: Convert to fraction form
    5,341.28/7,370.60 = 3,216.40/x
  3. Step 3: Cross multiply
    5,341.28x = 7,370.60 × 3,216.40
  4. Step 4: Simplify right side
    5,341.28x = 23,706,763.33
  5. Step 5: Solve for x
    x = 23,706,763.33/5,341.28
  6. Step 6: Final answer
    x = 4,438.41

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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.