Home / 5,492.79-8,239.23-1,332.84

Finding the Fourth Proportional to 5,492.79, 8,239.23 and 1,332.84

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Solution

The fourth proportional to 5,492.79, 8,239.23 and 1,332.84 is: 1,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.79 : 8,239.23 = 1,332.84 : x
  2. Step 2: Convert to fraction form
    5,492.79/8,239.23 = 1,332.84/x
  3. Step 3: Cross multiply
    5,492.79x = 8,239.23 × 1,332.84
  4. Step 4: Simplify right side
    5,492.79x = 10,981,575.31
  5. Step 5: Solve for x
    x = 10,981,575.31/5,492.79
  6. Step 6: Final answer
    x = 1,999.27

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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.