Home / 6,157.12-8,496.81-3,640.13

Finding the Fourth Proportional to 6,157.12, 8,496.81 and 3,640.13

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Solution

The fourth proportional to 6,157.12, 8,496.81 and 3,640.13 is: 5,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.12 : 8,496.81 = 3,640.13 : x
  2. Step 2: Convert to fraction form
    6,157.12/8,496.81 = 3,640.13/x
  3. Step 3: Cross multiply
    6,157.12x = 8,496.81 × 3,640.13
  4. Step 4: Simplify right side
    6,157.12x = 30,929,492.99
  5. Step 5: Solve for x
    x = 30,929,492.99/6,157.12
  6. Step 6: Final answer
    x = 5,023.37

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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.