Home / 8,140.98-12,210.90-2,594.10

Finding the Fourth Proportional to 8,140.98, 12,210.90 and 2,594.10

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Solution

The fourth proportional to 8,140.98, 12,210.90 and 2,594.10 is: 3,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.98 : 12,210.90 = 2,594.10 : x
  2. Step 2: Convert to fraction form
    8,140.98/12,210.90 = 2,594.10/x
  3. Step 3: Cross multiply
    8,140.98x = 12,210.90 × 2,594.10
  4. Step 4: Simplify right side
    8,140.98x = 31,676,295.69
  5. Step 5: Solve for x
    x = 31,676,295.69/8,140.98
  6. Step 6: Final answer
    x = 3,890.97

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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.