Home / 8,440.74-12,662.79-2,597.13

Finding the Fourth Proportional to 8,440.74, 12,662.79 and 2,597.13

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Solution

The fourth proportional to 8,440.74, 12,662.79 and 2,597.13 is: 3,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.74 : 12,662.79 = 2,597.13 : x
  2. Step 2: Convert to fraction form
    8,440.74/12,662.79 = 2,597.13/x
  3. Step 3: Cross multiply
    8,440.74x = 12,662.79 × 2,597.13
  4. Step 4: Simplify right side
    8,440.74x = 32,886,911.79
  5. Step 5: Solve for x
    x = 32,886,911.79/8,440.74
  6. Step 6: Final answer
    x = 3,896.21

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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.