Home / 8,140.82-12,210.66-2,598.12

Finding the Fourth Proportional to 8,140.82, 12,210.66 and 2,598.12

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Solution

The fourth proportional to 8,140.82, 12,210.66 and 2,598.12 is: 3,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.82 : 12,210.66 = 2,598.12 : x
  2. Step 2: Convert to fraction form
    8,140.82/12,210.66 = 2,598.12/x
  3. Step 3: Cross multiply
    8,140.82x = 12,210.66 × 2,598.12
  4. Step 4: Simplify right side
    8,140.82x = 31,724,759.96
  5. Step 5: Solve for x
    x = 31,724,759.96/8,140.82
  6. Step 6: Final answer
    x = 3,897.00

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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.