Home / 8,218.70-11,341.79-4,492.70

Finding the Fourth Proportional to 8,218.70, 11,341.79 and 4,492.70

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Solution

The fourth proportional to 8,218.70, 11,341.79 and 4,492.70 is: 6,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.70 : 11,341.79 = 4,492.70 : x
  2. Step 2: Convert to fraction form
    8,218.70/11,341.79 = 4,492.70/x
  3. Step 3: Cross multiply
    8,218.70x = 11,341.79 × 4,492.70
  4. Step 4: Simplify right side
    8,218.70x = 50,955,180.76
  5. Step 5: Solve for x
    x = 50,955,180.76/8,218.70
  6. Step 6: Final answer
    x = 6,199.91

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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.