Home / 5,438.63-8,161.59-3,492.20

Finding the Fourth Proportional to 5,438.63, 8,161.59 and 3,492.20

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Solution

The fourth proportional to 5,438.63, 8,161.59 and 3,492.20 is: 5,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.63 : 8,161.59 = 3,492.20 : x
  2. Step 2: Convert to fraction form
    5,438.63/8,161.59 = 3,492.20/x
  3. Step 3: Cross multiply
    5,438.63x = 8,161.59 × 3,492.20
  4. Step 4: Simplify right side
    5,438.63x = 28,501,904.60
  5. Step 5: Solve for x
    x = 28,501,904.60/5,438.63
  6. Step 6: Final answer
    x = 5,240.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.