Home / 5,432.98-8,142.09-2,309.05

Finding the Fourth Proportional to 5,432.98, 8,142.09 and 2,309.05

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Solution

The fourth proportional to 5,432.98, 8,142.09 and 2,309.05 is: 3,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.98 : 8,142.09 = 2,309.05 : x
  2. Step 2: Convert to fraction form
    5,432.98/8,142.09 = 2,309.05/x
  3. Step 3: Cross multiply
    5,432.98x = 8,142.09 × 2,309.05
  4. Step 4: Simplify right side
    5,432.98x = 18,800,492.91
  5. Step 5: Solve for x
    x = 18,800,492.91/5,432.98
  6. Step 6: Final answer
    x = 3,460.44

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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.