Home / 8,214.89-12,320.98-2,292.18

Finding the Fourth Proportional to 8,214.89, 12,320.98 and 2,292.18

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Solution

The fourth proportional to 8,214.89, 12,320.98 and 2,292.18 is: 3,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.89 : 12,320.98 = 2,292.18 : x
  2. Step 2: Convert to fraction form
    8,214.89/12,320.98 = 2,292.18/x
  3. Step 3: Cross multiply
    8,214.89x = 12,320.98 × 2,292.18
  4. Step 4: Simplify right side
    8,214.89x = 28,241,903.94
  5. Step 5: Solve for x
    x = 28,241,903.94/8,214.89
  6. Step 6: Final answer
    x = 3,437.89

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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.