Home / 5,443.16-8,161.23-2,325.20

Finding the Fourth Proportional to 5,443.16, 8,161.23 and 2,325.20

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Solution

The fourth proportional to 5,443.16, 8,161.23 and 2,325.20 is: 3,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.16 : 8,161.23 = 2,325.20 : x
  2. Step 2: Convert to fraction form
    5,443.16/8,161.23 = 2,325.20/x
  3. Step 3: Cross multiply
    5,443.16x = 8,161.23 × 2,325.20
  4. Step 4: Simplify right side
    5,443.16x = 18,976,492.00
  5. Step 5: Solve for x
    x = 18,976,492.00/5,443.16
  6. Step 6: Final answer
    x = 3,486.30

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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.