Home / 8,141.78-12,211.98-2,594.90

Finding the Fourth Proportional to 8,141.78, 12,211.98 and 2,594.90

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Solution

The fourth proportional to 8,141.78, 12,211.98 and 2,594.90 is: 3,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.78 : 12,211.98 = 2,594.90 : x
  2. Step 2: Convert to fraction form
    8,141.78/12,211.98 = 2,594.90/x
  3. Step 3: Cross multiply
    8,141.78x = 12,211.98 × 2,594.90
  4. Step 4: Simplify right side
    8,141.78x = 31,688,866.90
  5. Step 5: Solve for x
    x = 31,688,866.90/8,141.78
  6. Step 6: Final answer
    x = 3,892.13

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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.