Home / 5,731.30-7,909.26-3,492.88

Finding the Fourth Proportional to 5,731.30, 7,909.26 and 3,492.88

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Solution

The fourth proportional to 5,731.30, 7,909.26 and 3,492.88 is: 4,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.30 : 7,909.26 = 3,492.88 : x
  2. Step 2: Convert to fraction form
    5,731.30/7,909.26 = 3,492.88/x
  3. Step 3: Cross multiply
    5,731.30x = 7,909.26 × 3,492.88
  4. Step 4: Simplify right side
    5,731.30x = 27,626,096.07
  5. Step 5: Solve for x
    x = 27,626,096.07/5,731.30
  6. Step 6: Final answer
    x = 4,820.21

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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.